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Last Name
Institution

Kit N. Simpson

Title
InstitutionMedical University of South Carolina
DepartmentHealthcare Leadership and Management
AddressP.O. Box MSC 962
B412
151 Rutledge Ave.
Phone843-792-0760
Fax843-792-3327
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    Collapse Biography 
    Collapse awards and honors
    2014Scholar of the Year, MUSC College of Health Professions
    2007Scholar of the Year, MUSC College of Health Professions
    2006MUSC Collaborating Faculty Scholar Award, Physician Assistant Program

    Collapse Overview 
    Collapse keywords
    Outcomes Research: Economic Modeling, Reducing Health Disparities

    Collapse ORNG Applications 
    Collapse studies/trials

    Collapse Bibliographic 
    Collapse selected publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Wilmskoetter J, Simpson AN, Logan SL, Simpson KN, Bonilha HS. Impact of Gastrostomy Feeding Tube Placement on the 1-Year Trajectory of Care in Patients After Stroke. Nutr Clin Pract. 2018 Feb 03. PMID: 29397032.
      View in: PubMed
    2. Hand BN, Krause JS, Simpson KN. Polypharmacy and adverse drug events among propensity score matched privately insured persons with and without spinal cord injury. Spinal Cord. 2018 Jan 23. PMID: 29362505.
      View in: PubMed
    3. Davis M, O Connell T, Johnson S, Cline S, Merikle E, Martenyi F, Simpson KN. Estimating Alzheimer's disease progression rates from normal cognition through mild cognitive impairment and stages of dementia. Curr Alzheimer Res. 2018 Jan 18. PMID: 29357799.
      View in: PubMed
    4. White B, Ellis C, Jones W, Moran W, Simpson K. The effect of the global financial crisis on preventable hospitalizations among the homeless in New York State. J Health Serv Res Policy. 2018 Apr; 23(2):80-86. PMID: 29320892.
      View in: PubMed
    5. Hand BN, Krause JS, Simpson KN. Dose and Duration of Opioid Use in Propensity Score-Matched, Privately Insured Opioid Users With and Without Spinal Cord Injury. Arch Phys Med Rehabil. 2018 Jan 04. PMID: 29307814.
      View in: PubMed
    6. Williams DC, Russell WS, Andrews AL, Simpson KN, Basco WT, Teufel RJ. Management of Pediatric Isolated Skull Fractures: A Decision Tree and Cost Analysis on Emergency Department Disposition Strategies. Pediatr Emerg Care. 2017 Nov 20. PMID: 29189590.
      View in: PubMed
    7. Basco WT, Roberts JR, Ebeling M, Garner SS, Hulsey TC, Simpson K. Indications for Use of Combination Acetaminophen/Opioid Drugs in Infants <6 Months Old. Clin Pediatr (Phila). 2017 Sep 01; 9922817730349. PMID: 28891326.
      View in: PubMed
    8. Li CY, Romero S, Simpson AN, Bonilha HS, Simpson KN, Hong I, Velozo CA. FIM-Minimum Data Set Motor Item Bank: Short Forms Development and Precision Comparison in Veterans. Arch Phys Med Rehabil. 2018 Mar; 99(3):534-541.e2. PMID: 28756249.
      View in: PubMed
    9. Li CY, Romero S, Simpson KN, Bonilha HS, Simpson AN, Hong I, Velozo CA. Linking existing instruments to develop a continuum of care measure: accuracy comparison using function-related group classification. Qual Life Res. 2017 Sep; 26(9):2563-2572. PMID: 28540495.
      View in: PubMed
    10. Simpson KN, Simpson AN, Mauldin PD, Palesch YY, Yeatts SD, Kleindorfer D, Tomsick TA, Foster LD, Demchuk AM, Khatri P, Hill MD, Jauch EC, Jovin TG, Yan B, von Kummer R, Molina CA, Goyal M, Schonewille WJ, Mazighi M, Engelter ST, Anderson C, Spilker J, Carrozzella J, Ryckborst KJ, Janis LS, Broderick JP. Observed Cost and Variations in Short Term Cost-Effectiveness of Therapy for Ischemic Stroke in Interventional Management of Stroke (IMS) III. J Am Heart Assoc. 2017 May 08; 6(5). PMID: 28483774.
      View in: PubMed
    11. Nadig NR, Goodwin AJ, Simpson AN, Simpson KN, Richards J, Ford DW. Patient and Hospital Characteristics Associated with Interhospital Transfer for Adults with Ventilator-Dependent Respiratory Failure. Ann Am Thorac Soc. 2017 May; 14(5):730-736. PMID: 28199137.
      View in: PubMed
    12. Tennessee AM, Bradham TS, White BM, Simpson KN. The Monetary Cost of Sexual Assault to Privately Insured US Women in 2013. Am J Public Health. 2017 Jun; 107(6):983-988. PMID: 28426319.
      View in: PubMed
    13. Andrews AL, Bundy DG, Simpson KN, Teufel RJ, Harvey J, Simpson AN. Inhaled Corticosteroid Claims and Outpatient Visits After Hospitalization for Asthma Among Commercially Insured Children. Acad Pediatr. 2017 03; 17(2):212-217. PMID: 28259341.
      View in: PubMed
    14. Mims LD, Porter M, Simpson KN, Carek PJ. The "July Effect": A Look at July Medical Admissions in Teaching Hospitals. J Am Board Fam Med. 2017 Mar-Apr; 30(2):189-195. PMID: 28379825.
      View in: PubMed
    15. Li CY, Romero S, Bonilha HS, Simpson KN, Simpson AN, Hong I, Velozo CA. Linking Existing Instruments to Develop an Activity of Daily Living Item Bank. Eval Health Prof. 2018 Mar; 41(1):25-43. PMID: 27856680.
      View in: PubMed
    16. Schreiner A, Simpson K. Primary care and chronic disease: the intersection of comfort and specialty involvement - a cross-sectional study. J Eval Clin Pract. 2017 Jun; 23(3):494-497. PMID: 27524806.
      View in: PubMed
    17. Cartmell KB, Bonilha HS, Matson T, Bryant DC, Zapka JG, Bentz TA, Ford ME, Hughes-Halbert C, Simpson KN, Alberg AJ. Patient participation in cancer clinical trials: A pilot test of lay navigation. Contemp Clin Trials Commun. 2016 Aug 15; 3:86-93. PMID: 27822566.
      View in: PubMed
    18. Wilmskoetter J, Simpson AN, Simpson KN, Bonilha HS. Practice Patterns of Percutaneous Endoscopic Gastrostomy Tube Placement in Acute Stroke: Are the Guidelines Achievable? J Stroke Cerebrovasc Dis. 2016 Nov; 25(11):2694-2700. PMID: 27475521.
      View in: PubMed
    19. Goodwin AJ, Nadig NR, McElligott JT, Simpson KN, Ford DW. Where You Live Matters: The Impact of Place of Residence on Severe Sepsis Incidence and Mortality. Chest. 2016 Oct; 150(4):829-836. PMID: 27445093.
      View in: PubMed
    20. Wilmskoetter J, Simpson KN, Bonilha HS. Hospital Readmissions of Stroke Patients with Percutaneous Endoscopic Gastrostomy Feeding Tubes. J Stroke Cerebrovasc Dis. 2016 Oct; 25(10):2535-42. PMID: 27423366.
      View in: PubMed
    21. Simpson AN, Simpson KN, Dubno JR. Higher Health Care Costs in Middle-aged US Adults With Hearing Loss. JAMA Otolaryngol Head Neck Surg. 2016 06 01; 142(6):607-9. PMID: 27054903.
      View in: PubMed
    22. Marlow NM, Kazley AS, Chavin KD, Simpson KN, Balliet W, Baliga PK. A patient navigator and education program for increasing potential living donors: a comparative observational study. Clin Transplant. 2016 05; 30(5):619-27. PMID: 26928471.
      View in: PubMed
    23. Johnson EE, Simpson AN, Harvey JB, Simpson KN. Bariatric surgery implementation trends in the USA from 2002 to 2012. Implement Sci. 2016 Feb 20; 11:21. PMID: 26897023; PMCID: PMC4761154.
    24. Ford DW, Goodwin AJ, Simpson AN, Johnson E, Nadig N, Simpson KN. A Severe Sepsis Mortality Prediction Model and Score for Use With Administrative Data. Crit Care Med. 2016 Feb; 44(2):319-27. PMID: 26496452; PMCID: PMC4724863 [Available on 02/01/17].
    25. White BM, Jones WJ, Moran WP, Simpson KN. Effect of the Economic Recession on Primary Care Access for the Homeless. J Health Care Poor Underserved. 2016; 27(3):1577-91. PMID: 27524786.
      View in: PubMed
    26. Broderick JP, Berkhemer OA, Palesch YY, Dippel DW, Foster LD, Roos YB, van der Lugt A, Tomsick TA, Majoie CB, van Zwam WH, Demchuk AM, van Oostenbrugge RJ, Khatri P, Lingsma HF, Hill MD, Roozenbeek B, Jauch EC, Jovin TG, Yan B, von Kummer R, Molina CA, Goyal M, Schonewille WJ, Mazighi M, Engelter ST, Anderson CS, Spilker J, Carrozzella J, Ryckborst KJ, Janis LS, Simpson KN. Endovascular Therapy Is Effective and Safe for Patients With Severe Ischemic Stroke: Pooled Analysis of Interventional Management of Stroke III and Multicenter Randomized Clinical Trial of Endovascular Therapy for Acute Ischemic Stroke in the Netherlands Data. Stroke. 2015 Dec; 46(12):3416-22. PMID: 26486865; PMCID: PMC4659737 [Available on 12/01/16].
    27. Goodwin AJ, Rice DA, Simpson KN, Ford DW. The authors reply. Crit Care Med. 2015 Oct; 43(10):e461-2. PMID: 26376264; PMCID: PMC4651835 [Available on 10/01/16].
    28. Basco WT, Garner SS, Ebeling M, Freeland KD, Hulsey TC, Simpson K. Evaluating the Potential Severity of Look-Alike, Sound-Alike Drug Substitution Errors in Children. Acad Pediatr. 2016 Mar; 16(2):183-91. PMID: 26946271; PMCID: PMC4852303 [Available on 03/01/17].
    29. Goodwin AJ, Simpson KN, Ford DW. Volume-Mortality Relationships during Hospitalization with Severe Sepsis Exist Only at Low Case Volumes. Ann Am Thorac Soc. 2015 Aug; 12(8):1177-84. PMID: 26086787; PMCID: PMC4566411.
    30. Simpson AN, Bonilha HS, Kazley AS, Zoller JS, Simpson KN, Ellis C. Impact of Outpatient Rehabilitation Medicare Reimbursement Caps on Utilization and Cost of Rehabilitation Care After Ischemic Stroke: Do Caps Contain Costs? Arch Phys Med Rehabil. 2015 Nov; 96(11):1959-65.e4. PMID: 26225430.
      View in: PubMed
    31. Johnson EE, Simpson AN, Harvey JB, Lockett MA, Byrne KT, Simpson KN. Trends in bariatric surgery, 2002-2012: do changes parallel the obesity trend? Surg Obes Relat Dis. 2016 Feb; 12(2):398-404. PMID: 26707931.
      View in: PubMed
    32. Sistino JJ, Atz AM, Ellis C, Simpson KN, Ikonomidis JS, Bradley SM. Association Between Method of Cerebral Protection During Neonatal Aortic Arch Surgery and Attention Deficit/Hyperactivity Disorder. Ann Thorac Surg. 2015 Aug; 100(2):663-70. PMID: 26138764.
      View in: PubMed
    33. Basco WT, Ebeling M, Garner SS, Hulsey TC, Simpson K. Opioid Prescribing and Potential Overdose Errors Among Children 0 to 36 Months Old. Clin Pediatr (Phila). 2015 Jul; 54(8):738-44. PMID: 25971461; PMCID: PMC4474749.
    34. Palesch YY, Yeatts SD, Tomsick TA, Foster LD, Demchuk AM, Khatri P, Hill MD, Jauch EC, Jovin TG, Yan B, von Kummer R, Molina CA, Goyal M, Schonewille WJ, Mazighi M, Engelter ST, Anderson C, Spilker J, Carrozzella J, Ryckborst KJ, Janis LS, Simpson A, Simpson KN, Broderick JP. Twelve-Month Clinical and Quality-of-Life Outcomes in the Interventional Management of Stroke III Trial. Stroke. 2015 May; 46(5):1321-7. PMID: 25858239; PMCID: PMC4414900.
    35. Goodwin AJ, Rice DA, Simpson KN, Ford DW. Frequency, cost, and risk factors of readmissions among severe sepsis survivors. Crit Care Med. 2015 Apr; 43(4):738-46. PMID: 25746745; PMCID: PMC4479267.
    36. Kazley AS, Hund JJ, Simpson KN, Chavin K, Baliga P. Health literacy and kidney transplant outcomes. Prog Transplant. 2015 Mar; 25(1):85-90. PMID: 25758806.
      View in: PubMed
    37. Simpson AN, Simpson KN, Dubno JR. Health-related quality of life in older adults: Effects of hearing loss and common chronic conditions. Healthy Aging Res. 2015; 4. PMID: 28042552.
      View in: PubMed
    38. White BM, Ellis C, Simpson KN. Preventable hospital admissions among the homeless in California: a retrospective analysis of care for ambulatory care sensitive conditions. BMC Health Serv Res. 2014 Oct 25; 14:511. PMID: 25344441; PMCID: PMC4210539.
    39. Kazley AS, Johnson E, Simpson K, Chavin K, Baliga P. African American patient knowledge of kidney disease: A qualitative study of those with advanced chronic kidney disease. Chronic Illn. 2015 Dec; 11(4):245-55. PMID: 25336301.
      View in: PubMed
    40. Marlow NM, Simpson KN, Kazley AS, Balliet WE, Chavin KD, Baliga PK. Variations in coping stages for individuals with chronic kidney disease: Results from an exploratory study with patient navigators. J Health Psychol. 2016 Jul; 21(7):1299-310. PMID: 25293971.
      View in: PubMed
    41. Johnson EE, Simpson KN. Discharge disposition after bariatric surgery. Obes Surg. 2014 Oct; 24(10):1821-5. PMID: 25056234.
      View in: PubMed
    42. Wang L, Haider S, Nedrow K, Chambers R, Tawadrous M, Baser O, Simpson KN. HIV economic burden of illness in the Veterans Health Administration population. AIDS Care. 2015; 27(1):123-31. PMID: 25225150.
      View in: PubMed
    43. Kazley AS, Jordan J, Simpson KN, Chavin K, Rodrigue J, Baliga P. Development and testing of a disease-specific health literacy measure in kidney transplant patients. Prog Transplant. 2014 Sep; 24(3):263-70. PMID: 25193727.
      View in: PubMed
    44. Kazley AS, Johnson EE, Simpson KN, Chavin KD, Baliga P. Health care provider perception of chronic kidney disease: knowledge and behavior among African American patients. BMC Nephrol. 2014 Jul 10; 15:112. PMID: 25012542; PMCID: PMC4097045.
    45. Snedecor SJ, Sudharshan L, Nedrow K, Bhanegaonkar A, Simpson KN, Haider S, Chambers R, Craig C, Stephens J. Burden of nonnucleoside reverse transcriptase inhibitor resistance in HIV-1-infected patients: a systematic review and meta-analysis. AIDS Res Hum Retroviruses. 2014 Aug; 30(8):753-68. PMID: 24925216; PMCID: PMC4118702.
    46. Bonilha HS, Simpson AN, Ellis C, Mauldin P, Martin-Harris B, Simpson K. The one-year attributable cost of post-stroke dysphagia. Dysphagia. 2014 Oct; 29(5):545-52. PMID: 24948438; PMCID: PMC4179977.
    47. Kazley AS, Simpson AN, Simpson KN, Teufel R. Association of electronic health records with cost savings in a national sample. Am J Manag Care. 2014 Jun 01; 20(6):e183-90. PMID: 25180501.
      View in: PubMed
    48. Lazenby GB, Unal ER, Andrews AL, Simpson K. Cost-effectiveness analysis of annual Trichomonas vaginalis screening and treatment in HIV-positive women to prevent HIV transmission. Sex Transm Dis. 2014 Jun; 41(6):353-8. PMID: 24827616.
      View in: PubMed
    49. Seif G, Coker-Bolt P, Kraft S, Gonsalves W, Simpson K, Johnson E. The development of clinical reasoning and interprofessional behaviors: service-learning at a student-run free clinic. J Interprof Care. 2014 Nov; 28(6):559-64. PMID: 24865993.
      View in: PubMed
    50. Solem CT, Snedecor SJ, Khachatryan A, Nedrow K, Tawadrous M, Chambers R, Haider S, Simpson K. Cost of treatment in a US commercially insured, HIV-1-infected population. PLoS One. 2014; 9(5):e98152. PMID: 24866200; PMCID: PMC4035292.
    51. Simpson KN, Simpson AN, Mauldin PD, Hill MD, Yeatts SD, Spilker JA, Foster LD, Khatri P, Martin R, Jauch EC, Kleindorfer D, Palesch YY, Broderick JP. Drivers of costs associated with reperfusion therapy in acute stroke: the Interventional Management of Stroke III Trial. Stroke. 2014 Jun; 45(6):1791-8. PMID: 24876261; PMCID: PMC4128893.
    52. Sistino JJ, Atz AM, Simpson KN, Ellis C, Ikonomidis JS, Bradley SM. The prevalence of attention-deficit/hyperactivity disorder following neonatal aortic arch repair. Cardiol Young. 2015 Apr; 25(4):663-9. PMID: 24775274.
      View in: PubMed
    53. Savage AH, Marlow NM, Alkis MH, Simpson KN. Cost-effectiveness analysis of 2 surveillance options for cervical intraepithelial neoplasia 1. J Low Genit Tract Dis. 2014 Apr; 18(2):136-41. PMID: 24270194.
      View in: PubMed
    54. Sanders RB, Simpson KN, Kazley AS, Giarrizzi DP. New hospital telemedicine services: potential market for a nighttime telehospitalist service. Telemed J E Health. 2014 Oct; 20(10):902-8. PMID: 24660844; PMCID: PMC4188377.
    55. Simpson KN, Chen SY, Wu AW, Boulanger L, Chambers R, Nedrow K, Tawadrous M, Pashos CL, Haider S. Costs of adverse events among patients with HIV infection treated with nonnucleoside reverse transcriptase inhibitors. HIV Med. 2014 Sep; 15(8):488-98. PMID: 24641448.
      View in: PubMed
    56. Möller J, Desai K, Simpson K, Baran RW, Van de Steen O, Dietz B, Gooch K. Cost-minimization comparison of darunavir plus ritonavir and lopinavir/ritonavir in HIV-1 infected treatment-naïve women of childbearing age. J Med Econ. 2014 Apr; 17(4):250-8. PMID: 24351091.
      View in: PubMed
    57. Hawk AF, Chang EY, Shields SM, Simpson KN. In reply. Obstet Gynecol. 2013 Dec; 122(6):1306-7. PMID: 24264706.
      View in: PubMed
    58. Folsom L, Harris D, Mennito S, Bowlby D, Simpson K. Assessing adherence to American Diabetes Association recommendations for hemoglobin A1C goals. J S C Med Assoc. 2013 Dec; 109(4):126, 128-9. PMID: 24908912.
      View in: PubMed
    59. Simpson KN, Hanson KA, Harding G, Haider S, Tawadrous M, Khachatryan A, Pashos CL, Wu AW. Review of the impact of NNRTI-based HIV treatment regimens on patient-reported disease burden. AIDS Care. 2014 Apr; 26(4):466-75. PMID: 24111805.
      View in: PubMed
    60. Simpson KN, Hanson KA, Harding G, Haider S, Tawadrous M, Khachatryan A, Pashos CL, Wu AW. Patient reported outcome instruments used in clinical trials of HIV-infected adults on NNRTI-based therapy: a 10-year review. Health Qual Life Outcomes. 2013 Oct 03; 11:164. PMID: 24090055; PMCID: PMC3852266.
    61. Hawk AF, Chang EY, Shields SM, Simpson KN. Costs and clinical outcomes of noninvasive fetal RhD typing for targeted prophylaxis. Obstet Gynecol. 2013 Sep; 122(3):579-85. PMID: 23921866.
      View in: PubMed
    62. Simpson KN, Pei PP, Möller J, Baran RW, Dietz B, Woodward W, Migliaccio-Walle K, Caro JJ. Lopinavir/ritonavir versus darunavir plus ritonavir for HIV infection: a cost-effectiveness analysis for the United States. Pharmacoeconomics. 2013 May; 31(5):427-44. PMID: 23620210.
      View in: PubMed
    63. Kazley AS, Simpson KN, Simpson A, Jauch E, Adams RJ. Optimizing the Economic Impact of rtPA Use in a Stroke Belt State: The Case of South Carolina. Am Health Drug Benefits. 2013 May; 6(4):155-63. PMID: 24991353; PMCID: PMC4031709.
    64. Wu AW, Hanson KA, Harding G, Haider S, Tawadrous M, Khachatryan A, Pashos CL, Simpson KN. Responsiveness of the MOS-HIV and EQ-5D in HIV-infected adults receiving antiretroviral therapies. Health Qual Life Outcomes. 2013 Mar 12; 11:42. PMID: 23497257; PMCID: PMC3602001.
    65. Zapka J, Simpson K, Hiott L, Langston L, Fakhry S, Ford D. A mixed methods descriptive investigation of readiness to change in rural hospitals participating in a tele-critical care intervention. BMC Health Serv Res. 2013 Jan 29; 13:33. PMID: 23360332; PMCID: PMC3565938.
    66. Andrews AL, Lazenby GB, Unal ER, Simpson KN. The cost of Medicaid savings: the potential detrimental public health impact of neonatal circumcision defunding. Infect Dis Obstet Gynecol. 2012; 2012:540295. PMID: 23125519; PMCID: PMC3483825.
    67. Kazley AS, Simpson KN, Chavin KD, Baliga P. Barriers facing patients referred for kidney transplant cause loss to follow-up. Kidney Int. 2012 Nov; 82(9):1018-23. PMID: 22832516; PMCID: PMC3472088.
    68. Lazenby GB, Unal ER, Andrews AL, Simpson K. A cost-effectiveness analysis of anal cancer screening in HIV-positive women. J Low Genit Tract Dis. 2012 Jul; 16(3):275-80. PMID: 22227844.
      View in: PubMed
    69. Andrews AL, Teufel RJ, Basco WT, Simpson KN. A cost-effectiveness analysis of inhaled corticosteroid delivery for children with asthma in the emergency department. J Pediatr. 2012 Nov; 161(5):903-7. PMID: 22717219.
      View in: PubMed
    70. Simpson KN, Baran RW, Collomb D, Beck EJ, Van de Steen O, Dietz B. Economic and health-related quality-of-life (HRQoL) comparison of lopinavir/ritonavir (LPV/r) and atazanavir plus ritonavir (ATV+RTV) based regimens for antiretroviral therapy (ART)-naïve and -experienced United Kingdom patients in 2011. J Med Econ. 2012; 15(4):796-806. PMID: 22563716.
      View in: PubMed
    71. Ellis C, Simpson AN, Bonilha H, Mauldin PD, Simpson KN. The one-year attributable cost of poststroke aphasia. Stroke. 2012 May; 43(5):1429-31. PMID: 22343643; PMCID: PMC4507407.
    72. Post RE, Mainous AG, King DE, Simpson KN. Dietary fiber for the treatment of type 2 diabetes mellitus: a meta-analysis. J Am Board Fam Med. 2012 Jan-Feb; 25(1):16-23. PMID: 22218620.
      View in: PubMed
    73. Simpson KN, Tilley BC. Economic analysis of secondary trial data. Prog Cardiovasc Dis. 2012 Jan-Feb; 54(4):351-6. PMID: 22226003.
      View in: PubMed
    74. Simpson KN, Baran RW, Kirbach SE, Dietz B. Economics of switching to second-line antiretroviral therapy with lopinavir/ritonavir in Africa: estimates based on DART trial results and costs for Uganda and Kenya. Value Health. 2011 Dec; 14(8):1048-54. PMID: 22152173.
      View in: PubMed
    75. Hill MD, Khatri P, Tomsick TA, Simpson KN, Broderick JP. Letter by Hill et al regarding article, "A cost-utility analysis of mechanical thrombectomy as an adjunct to intravenous tissue-type plasminogen activator for acute large-vessel ischemic stroke". Stroke. 2011 Dec; 42(12):e641-2; author reply e643. PMID: 22033994.
      View in: PubMed
    76. Unal ER, Lazenby GB, Lintzenich AE, Simpson KN, Newman R, Goetzl L. Cost-effectiveness of maternal treatment to prevent perinatal hepatitis B virus transmission. Obstet Gynecol. 2011 Sep; 118(3):655-62. PMID: 21860297.
      View in: PubMed
    77. Simpson KN, Dietz B, Baran RW, Garren KW, Riddler SA, Bhor M, Haubrich RH. Economic modeling of the combined effects of HIV-disease, cholesterol and lipoatrophy based on ACTG 5142 trial data. Cost Eff Resour Alloc. 2011 May 08; 9:5. PMID: 21548986; PMCID: PMC3117802.
    78. Hornberger J, Simpson K, Shewade A, Dietz B, Baran R, Podsadecki T. Broadening the perspective when assessing evidence on boosted protease inhibitor-based regimens for initial antiretroviral therapy. Adv Ther. 2010 Nov; 27(11):763-73. PMID: 20931365.
      View in: PubMed
    79. Moreau NG, Simpson KN, Teefey SA, Damiano DL. Muscle architecture predicts maximum strength and is related to activity levels in cerebral palsy. Phys Ther. 2010 Nov; 90(11):1619-30. PMID: 20847035; PMCID: PMC2967708.
    80. Moore BR, Simpson K, Kaye W, Swanson Kazley A. Piloting a method to measure satisfaction with HIV care. Am J Med Qual. 2010 Sep-Oct; 25(5):384-91. PMID: 20833985.
      View in: PubMed
    81. Basco WT, Ebeling M, Hulsey TC, Simpson K. Using pharmacy data to screen for look-alike, sound-alike substitution errors in pediatric prescriptions. Acad Pediatr. 2010 Jul-Aug; 10(4):233-7. PMID: 20541485.
      View in: PubMed
    82. McKinzie BP, Worrall CL, Simpson KN, Couillard DJ, Leon SM. Impact of elevated per cent carbohydrate-deficient transferrin at hospital admission on outcomes in trauma patients. Am Surg. 2010 May; 76(5):492-6. PMID: 20506878.
      View in: PubMed
    83. Robinson CJ, Villers MS, Johnson DD, Simpson KN. Timing of elective repeat cesarean delivery at term and neonatal outcomes: a cost analysis. Am J Obstet Gynecol. 2010 Jun; 202(6):632.e1-6. PMID: 20435284; PMCID: PMC4497542.
    84. Simpson KN. Economic modeling of HIV treatments. Curr Opin HIV AIDS. 2010 May; 5(3):242-8. PMID: 20539081.
      View in: PubMed
    85. Worrall CL, Anger BP, Simpson KN, Leon SM. Impact of a hospital-acquired/ventilator-associated/healthcare-associated pneumonia practice guideline on outcomes in surgical trauma patients. J Trauma. 2010 Feb; 68(2):382-6. PMID: 19935109.
      View in: PubMed
    86. Kazley AS, Hillman DG, Johnston KC, Simpson KN. Hospital care for patients experiencing weekend vs weekday stroke: a comparison of quality and aggressiveness of care. Arch Neurol. 2010 Jan; 67(1):39-44. PMID: 20065127.
      View in: PubMed
    87. Williams N, Simpson AN, Simpson K, Nahas Z. Relapse rates with long-term antidepressant drug therapy: a meta-analysis. Hum Psychopharmacol. 2009 Jul; 24(5):401-8. PMID: 19526453.
      View in: PubMed
    88. Simpson KN, Welch MJ, Kozel FA, Demitrack MA, Nahas Z. Cost-effectiveness of transcranial magnetic stimulation in the treatment of major depression: a health economics analysis. Adv Ther. 2009 Mar; 26(3):346-68. PMID: 19330495.
      View in: PubMed
    89. Anderegg BA, Worrall C, Barbour E, Simpson KN, Delegge M. Comparison of resting energy expenditure prediction methods with measured resting energy expenditure in obese, hospitalized adults. JPEN J Parenter Enteral Nutr. 2009 Mar-Apr; 33(2):168-75. PMID: 19251910.
      View in: PubMed
    90. Simpson KN, Rajagopalan R, Dietz B. Cost-effectiveness analysis of lopinavir/ritonavir and atazanavir+ritonavir regimens in the CASTLE study. Adv Ther. 2009 Feb; 26(2):185-93. PMID: 19219410.
      View in: PubMed
    91. Garin MC, Clark L, Chumney EC, Simpson KN, Highland KB. Cost-utility of treatments for pulmonary arterial hypertension: a Markov state-transition decision analysis model. Clin Drug Investig. 2009; 29(10):635-46. PMID: 19715380.
      View in: PubMed
    92. Simpson KN, Strassburger A, Jones WJ, Dietz B, Rajagopalan R. Comparison of Markov model and discrete-event simulation techniques for HIV. Pharmacoeconomics. 2009; 27(2):159-65. PMID: 19254048.
      View in: PubMed
    93. Simpson KN, Roberts G, Hicks CB, Finnern HW. Cost-effectiveness of tipranavir in treatment-experienced HIV patients in the United States. HIV Clin Trials. 2008 Jul-Aug; 9(4):225-37. PMID: 18753117.
      View in: PubMed
    94. Hayslip JW, Simpson KN. Cost-effectiveness of extended adjuvant rituximab for US patients aged 65-70 years with follicular lymphoma in second remission. Clin Lymphoma Myeloma. 2008 Jun; 8(3):166-70. PMID: 18650180.
      View in: PubMed
    95. Mauldin PD, Simpson KN, Palesch YY, Spilker JS, Hill MD, Khatri P, Broderick JP. Design of the economic evaluation for the Interventional Management of Stroke (III) trial. Int J Stroke. 2008 May; 3(2):138-44. PMID: 18706008; PMCID: PMC3052984.
    96. Teufel RJ, Basco WT, Simpson KN. Cost effectiveness of an inpatient influenza immunization assessment and delivery program for children with asthma. J Hosp Med. 2008 Mar; 3(2):134-41. PMID: 18438789.
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    97. Bushardt RL, Massey EB, Simpson TW, Ariail JC, Simpson KN. Polypharmacy: misleading, but manageable. Clin Interv Aging. 2008; 3(2):383-9. PMID: 18686760; PMCID: PMC2546482.
    98. Clancy DE, Dismuke CE, Magruder KM, Simpson KN, Bradford D. Do diabetes group visits lead to lower medical care charges? Am J Manag Care. 2008 Jan; 14(1):39-44. PMID: 18197744.
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    99. Kirbach S, Simpson K, Nietert PJ, Mintzer J. A markov model of the cost effectiveness of olanzapine treatment for agitation and psychosis in Alzheimer's disease. Clin Drug Investig. 2008; 28(5):291-303. PMID: 18407715.
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    100. Hubben GA, Bos JM, Veltman-Starkenburg CA, Stegmeijer S, Finnern HW, Kappelhoff BS, Simpson KN, Tramarin A, Postma MJ. Cost-effectiveness of tipranavir versus comparator protease inhibitor regimens in HIV infected patients previously exposed to antiretroviral therapy in the Netherlands. Cost Eff Resour Alloc. 2007 Nov 22; 5:15. PMID: 18034881; PMCID: PMC2211743.
    101. Simpson KN, Jones WJ, Rajagopalan R, Dietz B. Cost effectiveness of lopinavir/ritonavir compared with atazanavir plus ritonavir in antiretroviral-experienced patients in the US. Clin Drug Investig. 2007; 27(7):443-52. PMID: 17563124.
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    102. Simpson KN, Luo MP, Chumney EC, King MS, Brun S. Cost effectiveness of lopinavir/ritonavir compared with atazanavir in antiretroviral-naive patients: modelling the combined effects of HIV and heart disease. Clin Drug Investig. 2007; 27(1):67-74. PMID: 17177581.
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    103. Simpson KN, Jones WJ, Rajagopalan R, Dietz B. Cost effectiveness of lopinavir/ritonavir tablets compared with atazanavir plus ritonavir in antiretroviral-experienced patients in the UK, France, Italy and Spain. Clin Drug Investig. 2007; 27(12):807-17. PMID: 18020538.
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    104. Chumney EC, Mauldin PD, Simpson KN. Charges for hospital admissions attributable to health disparities for African-American patients, 1998-2002. J Natl Med Assoc. 2006 May; 98(5):690-4. PMID: 16749643; PMCID: PMC2569291.
    105. Moeller KE, Barnes BJ, Stanley KM, Worrall CL, Lunsford SL, Simpson KN, Miller JG, Spencer AP. Compliance of an institution-specific alcohol withdrawal protocol with evidence-based practice guidelines. Pharmacotherapy. 2006 Mar; 26(3):445-6. PMID: 16503729.
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    106. Okonofua EC, Simpson KN, Jesri A, Rehman SU, Durkalski VL, Egan BM. Therapeutic inertia is an impediment to achieving the Healthy People 2010 blood pressure control goals. Hypertension. 2006 Mar; 47(3):345-51. PMID: 16432045.
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    107. Taylor L, Simpson K, Bushardt R, Reeves C, Elkin TD, Fortson BL, Boll T, Patel S. Insurance barriers for childhood survivors of pediatric brain tumors: the case for neurocognitive evaluations. Pediatr Neurosurg. 2006; 42(4):223-7. PMID: 16714862.
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    108. Siachos T, Vanbakel A, Feldman DS, Uber W, Simpson KN, Pereira NL. Silent strokes in patients with heart failure. J Card Fail. 2005 Sep; 11(7):485-9. PMID: 16198241.
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    109. Stanley KM, Worrall CL, Lunsford SL, Simpson KN, Miller JG, Spencer AP. Experience with an adult alcohol withdrawal syndrome practice guideline in internal medicine patients. Pharmacotherapy. 2005 Aug; 25(8):1073-83. PMID: 16207098.
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    110. Brady KT, Sonne S, Anton RF, Randall CL, Back SE, Simpson K. Sertraline in the treatment of co-occurring alcohol dependence and posttraumatic stress disorder. Alcohol Clin Exp Res. 2005 Mar; 29(3):395-401. PMID: 15770115.
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    111. Killeen TK, Brady KT, Gold PB, Simpson KN, Faldowski RA, Tyson C, Anton RF. Effectiveness of naltrexone in a community treatment program. Alcohol Clin Exp Res. 2004 Nov; 28(11):1710-7. PMID: 15547458.
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    112. Simpson KN, Luo MP, Chumney E, Sun E, Brun S, Ashraf T. Cost-effectiveness of lopinavir/ritonavir versus nelfinavir as the first-line highly active antiretroviral therapy regimen for HIV infection. HIV Clin Trials. 2004 Sep-Oct; 5(5):294-304. PMID: 15562370.
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    113. Kozel FA, George MS, Simpson KN. Decision analysis of the cost-effectiveness of repetitive transcranial magnetic stimulation versus electroconvulsive therapy for treatment of nonpsychotic severe depression. CNS Spectr. 2004 Jun; 9(6):476-82. PMID: 15162090.
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    114. McBurney PG, Simpson KN, Darden PM. Potential cost savings of decreased emergency department visits through increased continuity in a pediatric medical home. Ambul Pediatr. 2004 May-Jun; 4(3):204-8. PMID: 15153047.
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    115. Killeen TK, Brady KT, Gold PB, Tyson C, Simpson KN. Comparison of self-report versus agency records of service utilization in a community sample of individuals with alcohol use disorders. Drug Alcohol Depend. 2004 Feb 07; 73(2):141-7. PMID: 14725953.
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    116. Chumney EC, Biddle AK, Simpson KN, Weinberger M, Magruder KM, Zelman WN. The effect of cost construction based on either DRG or ICD-9 codes or risk group stratification on the resulting cost-effectiveness ratios. Pharmacoeconomics. 2004; 22(18):1209-16. PMID: 15606227.
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    117. Highland KB, Strange C, Mazur J, Simpson KN. Treatment of pulmonary arterial hypertension: a preliminary decision analysis. Chest. 2003 Dec; 124(6):2087-92. PMID: 14665484.
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    118. Stanley KM, Amabile CM, Simpson KN, Couillard D, Norcross ED, Worrall CL. Impact of an alcohol withdrawal syndrome practice guideline on surgical patient outcomes. Pharmacotherapy. 2003 Jul; 23(7):843-54. PMID: 12885097.
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    119. Egede LE, Simpson K. Epidemiology, treatment and costs of depression in adults with Type 2 diabetes. Expert Rev Pharmacoecon Outcomes Res. 2003 Jun; 3(3):251-62. PMID: 19807373.
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    120. Brady KT, Sonne SC, Malcolm RJ, Randall CL, Dansky BS, Simpson K, Roberts JS, Brondino M. Carbamazepine in the treatment of cocaine dependence: subtyping by affective disorder. Exp Clin Psychopharmacol. 2002 Aug; 10(3):276-85. PMID: 12233988.
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    121. Egede LE, Zheng D, Simpson K. Comorbid depression is associated with increased health care use and expenditures in individuals with diabetes. Diabetes Care. 2002 Mar; 25(3):464-70. PMID: 11874931.
      View in: PubMed
    122. Richter A, Hauber B, Simpson K, Mauskopf JA, Yin D. A Monte Carlo simulation for modelling outcomes of AIDS treatment regimens. Pharmacoeconomics. 2002; 20(4):215-24. PMID: 11950379.
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    123. Marshall D, Simpson KN, Earle CC, Chu CW. Economic decision analysis model of screening for lung cancer. Eur J Cancer. 2001 Sep; 37(14):1759-67. PMID: 11549429.
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    124. Marshall D, Simpson KN, Earle CC, Chu C. Potential cost-effectiveness of one-time screening for lung cancer (LC) in a high risk cohort. Lung Cancer. 2001 Jun; 32(3):227-36. PMID: 11390004.
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    125. Helm JF, Russo MW, Biddle AK, Simpson KN, Ransohoff DF, Sandler RS. Effectiveness and economic impact of screening for colorectal cancer by mass fecal occult blood testing. Am J Gastroenterol. 2000 Nov; 95(11):3250-8. PMID: 11095350.
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    126. Couchenour RL, Denham AZ, Simpson KN, Lahoz MR, Carson DS. Smoking cessation activities in South Carolina community pharmacies. J Am Pharm Assoc (Wash). 2000 Nov-Dec; 40(6):828-31. PMID: 11111363.
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    127. Biddle AK, Simpson KN. Modeling the use of triple combination therapy in five countries: nevirapine, Zidovudine, and Didanosine. Value Health. 2000 May-Jun; 3(3):186-201. PMID: 16464183.
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    128. Mauskopf JA, Tolson JM, Simpson KN, Pham SV, Albright J. Impact of zidovudine-based triple combination therapy on an AIDS drug assistance program. J Acquir Immune Defic Syndr. 2000 Apr 01; 23(4):302-13. PMID: 10836752.
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    129. Marshall DA, Simpson KN, Norton EC, Biddle AK, Youle M. Measuring the effect of clinical guidelines on patient outcomes. Int J Technol Assess Health Care. 2000; 16(4):1013-23. PMID: 11155825.
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    130. Halpern MT, Palmer CS, Simpson KN, Chesley FD, Luce BR, Suyderhoud JP, Neibauer BV, Estafanous FG. The economic and clinical efficiency of point-of-care testing for critically ill patients: a decision-analysis model. Am J Med Qual. 1998; 13(1):3-12. PMID: 9509589.
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    131. Simpson KN, Coughlin CM, Eron J, Bussel JB. Idiopathic thrombocytopenia purpura: Treatment patterns and an analysis of cost associated with intravenous immunoglobulin and anti-D therapy. Semin Hematol. 1998 Jan; 35(1 Suppl 1):58-64. PMID: 9523750.
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    132. Chancellor JV, Hill AM, Sabin CA, Simpson KN, Youle M. Modelling the cost effectiveness of lamivudine/zidovudine combination therapy in HIV infection. Pharmacoeconomics. 1997 Jul; 12(1):54-66. PMID: 10169387.
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    133. Shugars DA, Benson K, White RP, Simpson KN, Bader JD. Developing a measure of patient perceptions of short-term outcomes of third molar surgery. J Oral Maxillofac Surg. 1996 Dec; 54(12):1402-8. PMID: 8957118.
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    134. Simpson KN, LaVallee R, Halpern M, Palmer C. Is POCT cost effective for coronary bypass patients in ICUs? MLO Med Lab Obs. 1996 Feb; 28(2):58-62. PMID: 10154468.
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    135. DesHarnais S, Simpson KN, Paul JE. Variations in practice patterns: antiviral drug use in hospitalized patients with herpes infections. Am J Med Qual. 1996; 11(1):33-42. PMID: 8763219.
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    136. Simpson KN, Biddle AK, Rabinovich NR. A model for estimating the impact of changes in children's vaccines. Am J Public Health. 1995 Dec; 85(12):1666-72. PMID: 7503342; PMCID: PMC1615744.
    137. Revicki DA, Simpson KN, Wu AW, LaVallee RL. Evaluating the quality of life associated with rifabutin prophylaxis for Mycobacterium avium complex in persons with AIDS: combining Q-TWiST and multiattribute utility techniques. Qual Life Res. 1995 Aug; 4(4):309-18. PMID: 7550179.
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    138. Simpson KN, Lynch SR. Cost savings from the use of antenatal steroids to prevent respiratory distress syndrome and related conditions in premature infants. Am J Obstet Gynecol. 1995 Jul; 173(1):316-21. PMID: 7631712.
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    139. Simpson KN. Design and assessment of cost-effectiveness studies in AIDS populations. J Acquir Immune Defic Syndr Hum Retrovirol. 1995; 10 Suppl 4:S28-32. PMID: 7493196.
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    140. Simpson KN. Problems and perspectives on the use of decision-analysis models for prostate cancer. J Urol. 1994 Nov; 152(5 Pt 2):1888-93. PMID: 7933245.
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    141. DesHarnais SI, Simpson KN. Indices for monitoring hospital outcomes in developed countries. Health Policy. 1992 May; 21(1):1-15. PMID: 10119192.
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