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Michael Kohn, MD, MPP

Title(s)Professor, Epidemiology & Biostatistics
SchoolSchool of Medicine
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    Collapse Awards and Honors
    Clinical and Translational Sciences Institute2012CTSI Consultant of the Year
    UCSF Training in Clinical Research Program2012Hulley Award for Classroom Teaching
    Clinical and Translational Sciences Institute2011CTSI Consultant of the Year
    Clinical and Translational Sciences Institute2010CTSI Consultant of the Year

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    Dr. Kohn's primary research interest is in diagnostic and prognostic testing for stroke, myocardial infarction, sepsis, and other emergency conditions. However, he has also been involved in several treatment trials.

    He also provides study design consultations to clinical investigators through the CTSI Consulting Service and created the UCSF CTSI’s online sample size calculators (www.sample-size.net). He is an expert on database management for clinical research, both setting up study databases and extracting data from the electronic health record.

    Dr. Kohn has been teaching in the Training in Clinical Research (TICR) Program since 2000, including 10 years (until 2012) as co-director, lecturer, and section leader in the program's flagship "Designing Clinical Research" course. He directs the course on data management for clinical research, co-directs the clinical epidemiology course, leads one of the two second-year master’s seminars, and directs the UCSF Workshop on Evidence-Based Diagnosis. With Thomas B. Newman, he co-authored the clinical epidemiology textbook “Evidence-Based Diagnosis” and is a contributing author to Hulley et al, “Designing Clinical Research.”

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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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    1. Frigaard M, Rubinsky A, Lowell L, Malkina A, Karliner L, Kohn M, Peralta CA. Validating laboratory defined chronic kidney disease in the electronic health record for patients in primary care. BMC Nephrol. 2019 Jan 03; 20(1):3. PMID: 30606109.
      View in: PubMed
    2. Kohn MA, Worster A. ED Chest Pain Rules: Follow Your HEART? Acad Emerg Med. 2018 Oct 29. PMID: 30375128.
      View in: PubMed
    3. Chang AY, Karwa R, Busakhala N, Fletcher SL, Tonui EC, Wasike P, Kohn MA, Asirwa FC, Kiprono SK, Maurer T, Goodrich S, Pastakia SD. Randomized controlled trial to evaluate locally sourced two-component compression bandages for HIV-associated Kaposi sarcoma leg lymphedema in western Kenya: The Kenyan Improvised Compression for Kaposi Sarcoma (KICKS) study protocol. Contemp Clin Trials Commun. 2018 Dec; 12:116-122. PMID: 30402565.
      View in: PubMed
    4. Formeister EJ, Rizk HG, Kohn MA, Sharon JD. The Epidemiology of Vestibular Migraine: A Population-based Survey Study. Otol Neurotol. 2018 Sep; 39(8):1037-1044. PMID: 30020261.
      View in: PubMed
    5. Klonoff DC, Parkes JL, Kovatchev BP, Kerr D, Bevier WC, Brazg RL, Christiansen M, Bailey TS, Nichols JH, Kohn MA. Investigation of the Accuracy of 18 Marketed Blood Glucose Monitors. Diabetes Care. 2018 08; 41(8):1681-1688. PMID: 29898901.
      View in: PubMed
    6. Razani N, Morshed S, Kohn MA, Wells NM, Thompson D, Alqassari M, Agodi A, Rutherford GW. Effect of park prescriptions with and without group visits to parks on stress reduction in low-income parents: SHINE randomized trial. PLoS One. 2018; 13(2):e0192921. PMID: 29447248.
      View in: PubMed
    7. Wen JW, Kohn MA, Wong R, Somsouk M, Khalili M, Maher J, Tana MM. Hospitalizations for Autoimmune Hepatitis Disproportionately Affect Black and Latino Americans. Am J Gastroenterol. 2018 Feb; 113(2):243-253. PMID: 29380822.
      View in: PubMed
    8. Kohn MA. In suspected PE, 2% of patients with a Wells score > 4 and negative CT pulmonary angiography had VTE at 3 months. Ann Intern Med. 2017 11 21; 167(10):JC59. PMID: 29159385.
      View in: PubMed
    9. Kohn MA, Klok FA, van Es N. D-dimer Interval Likelihood Ratios for Pulmonary Embolism. Acad Emerg Med. 2017 07; 24(7):832-837. PMID: 28370759.
      View in: PubMed
    10. Rushakoff RJ, Sullivan MM, MacMaster HW, Shah AD, Rajkomar A, Glidden DV, Kohn MA. Association Between a Virtual Glucose Management Service and Glycemic Control in Hospitalized Adult Patients: An Observational Study. Ann Intern Med. 2017 May 02; 166(9):621-627. PMID: 28346946.
      View in: PubMed
    11. Razani N, Kohn MA, Wells NM, Thompson D, Hamilton Flores H, Rutherford GW. Design and evaluation of a park prescription program for stress reduction and health promotion in low-income families: The Stay Healthy in Nature Everyday (SHINE) study protocol. Contemp Clin Trials. 2016 11; 51:8-14. PMID: 27693759.
      View in: PubMed
    12. Wai KC, Kohn MA, Ballard RA, Truog WE, Black DM, Asselin JM, Ballard PL, Rogers EE, Keller RL. Early Cumulative Supplemental Oxygen Predicts Bronchopulmonary Dysplasia in High Risk Extremely Low Gestational Age Newborns. J Pediatr. 2016 Oct; 177:97-102.e2. PMID: 27470692; PMCID: PMC5037007 [Available on 10/01/17].
      View in: PubMed, PubMed Central
    13. Ahmed R, McCaffery KJ, Silove N, Butow P, Clarke S, Kohn M, Aslani P. The evaluation of a question prompt list for attention-deficit/hyperactivity disorder in pediatric care: A pilot study. Res Social Adm Pharm. 2017 Jan - Feb; 13(1):172-186. PMID: 27086063.
      View in: PubMed
    14. Kohn MA, Steinhart B. Broadcasting Not Properly: Using B-type Natriuretic Peptide Interval Likelihood Ratios and the Results of Other Emergency Department Tests to Diagnose Acute Heart Failure in Dyspneic Patients. Acad Emerg Med. 2016 Mar; 23(3):347-50. PMID: 26836437.
      View in: PubMed
    15. Kohn MA. Outpatient Versus Hospitalization Management for Uncomplicated Diverticulitis. Ann Surg. 2015 Aug; 262(2):e86. PMID: 24646551.
      View in: PubMed
    16. Golden NH, Katzman DK, Sawyer SM, Ornstein RM, Rome ES, Garber AK, Kohn M, Kreipe RE. Update on the medical management of eating disorders in adolescents. J Adolesc Health. 2015 Apr; 56(4):370-5. PMID: 25659201.
      View in: PubMed
    17. Tabaka ME, Quinn JV, Kohn MA, Polevoi SK. Predictors of infection from dog bite wounds: which patients may benefit from prophylactic antibiotics? Emerg Med J. 2015 Nov; 32(11):860-3. PMID: 25634096.
      View in: PubMed
    18. Mouti A, Reddihough D, Marraffa C, Hazell P, Wray J, Lee K, Kohn M. Fluoxetine for Autistic Behaviors (FAB trial): study protocol for a randomized controlled trial in children and adolescents with autism. Trials. 2014 Jun 16; 15:230. PMID: 24934401; PMCID: PMC4067505.
      View in: PubMed, PubMed Central
    19. Kohn MA. HINTS to identify stroke in ED patients with dizziness. Acad Emerg Med. 2014 Mar; 21(3):347. PMID: 24524556.
      View in: PubMed
    20. Kohn MA. Understanding evidence-based diagnosis. Diagnosis (Berl). 2014 Jan 01; 1(1):39-42. PMID: 29539978.
      View in: PubMed
    21. Kohn MA, Carpenter CR, Newman TB. Understanding the direction of bias in studies of diagnostic test accuracy. Acad Emerg Med. 2013 Nov; 20(11):1194-206. PMID: 24238322.
      View in: PubMed
    22. Knops SP, Kohn MA, Hansen EN, Matityahu A, Marmor M. Rotational malreduction of the syndesmosis: reliability and accuracy of computed tomography measurement methods. Foot Ankle Int. 2013 Oct; 34(10):1403-10. PMID: 23667049.
      View in: PubMed
    23. Quinn JV, Polevoi SK, Kohn MA. Traumatic lacerations: what are the risks for infection and has the 'golden period' of laceration care disappeared? Emerg Med J. 2014 Feb; 31(2):96-100. PMID: 23314208; PMCID: PMC3797169.
      View in: PubMed, PubMed Central
    24. Haas V, Stark D, Kohn M, Müller MJ, Clarke S, Blumenthal C, Briody J, Madden S, Gaskin KJ. Evaluation of methods to assess reduced body fat in patients with anorexia nervosa. J Am Coll Nutr. 2013; 32(1):2-10. PMID: 24015694.
      View in: PubMed
    25. Gupta N, Lustig RH, Kohn MA, Vittinghoff E. Determination of bone age in pediatric patients with Crohn's disease should become part of routine care. Inflamm Bowel Dis. 2013 Jan; 19(1):61-5. PMID: 22552908.
      View in: PubMed
    26. Gupta N, Lustig RH, Kohn MA, Vittinghoff E. Menarche in pediatric patients with Crohn's disease. Dig Dis Sci. 2012 Nov; 57(11):2975-81. PMID: 22744430.
      View in: PubMed
    27. Kohn MA. Reduced lung-cancer mortality with CT screening. N Engl J Med. 2011 11 24; 365(21):2036-7; author reply 2037-8. PMID: 22111731.
      View in: PubMed
    28. Gupta N, Lustig RH, Kohn MA, McCracken M, Vittinghoff E. Sex differences in statural growth impairment in Crohn's disease: role of IGF-1. Inflamm Bowel Dis. 2011 Nov; 17(11):2318-25. PMID: 21287667.
      View in: PubMed
    29. Humphreys J, Tsoh JY, Kohn MA, Gerbert B. Increasing discussions of intimate partner violence in prenatal care using Video Doctor plus Provider Cueing: a randomized, controlled trial. Womens Health Issues. 2011 Mar-Apr; 21(2):136-44. PMID: 21185737; PMCID: PMC3053017.
      View in: PubMed, PubMed Central
    30. Stein JC, Wang R, Adler N, Boscardin J, Jacoby VL, Won G, Goldstein R, Kohn MA. Emergency physician ultrasonography for evaluating patients at risk for ectopic pregnancy: a meta-analysis. Ann Emerg Med. 2010 Dec; 56(6):674-83. PMID: 20828874.
      View in: PubMed
    31. Neighbor ML, Dance TR, Hawk M, Kohn MA. Heightened pain perception in illicit substance-using patients in the ED: implications for management. Am J Emerg Med. 2011 Jan; 29(1):50-6. PMID: 20825774.
      View in: PubMed
    32. Hersh AL, Kohn MA, Newman TB. When is rapid testing for influenza useful? Clin Infect Dis. 2010 Mar 15; 50(6):935-6. PMID: 20166825.
      View in: PubMed
    33. Tang JY, Aszterbaum M, Athar M, Barsanti F, Cappola C, Estevez N, Hebert J, Hwang J, Khaimskiy Y, Kim A, Lu Y, So PL, Tang X, Kohn MA, McCulloch CE, Kopelovich L, Bickers DR, Epstein EH. Basal cell carcinoma chemoprevention with nonsteroidal anti-inflammatory drugs in genetically predisposed PTCH1+/- humans and mice. Cancer Prev Res (Phila). 2010 Jan; 3(1):25-34. PMID: 20051370; PMCID: PMC2894531.
      View in: PubMed, PubMed Central
    34. Tsoh JY, Kohn MA, Gerbert B. Promoting smoking cessation in pregnancy with Video Doctor plus provider cueing: a randomized trial. Acta Obstet Gynecol Scand. 2010; 89(4):515-23. PMID: 20196678; PMCID: PMC3312043.
      View in: PubMed, PubMed Central
    35. Kohn MA, Fahimi J, Newman TB, Sostman HD, Stein PD, Hull RD. Result categories for ventilation-perfusion scintigraphy. Radiology. 2009 Nov; 253(2):575; author reply 575. PMID: 19864536.
      View in: PubMed
    36. Newman TB, Kohn MA. Universal primer polymerase chain reaction looks promising for newborns with low pretest probability of sepsis. Arch Pediatr Adolesc Med. 2009 Jul; 163(7):675-6; author reply 676. PMID: 19581557.
      View in: PubMed
    37. Tsang TW, Kohn M, Chow CM, Singh MF. A randomized controlled trial of Kung Fu training for metabolic health in overweight/obese adolescents: the "martial fitness" study. J Pediatr Endocrinol Metab. 2009 Jul; 22(7):595-607. PMID: 19774841.
      View in: PubMed
    38. Kohn MA, Newman TB. Arrhythmogenic right ventricular cardiomyopathy. N Engl J Med. 2009 Jun 25; 360(26):2784-5; author reply 2785-6. PMID: 19557886.
      View in: PubMed
    39. Madden S, Morris A, Zurynski YA, Kohn M, Elliot EJ. Burden of eating disorders in 5-13-year-old children in Australia. Med J Aust. 2009 Apr 20; 190(8):410-4. PMID: 19374611.
      View in: PubMed
    40. Thomas B. Newman and Michael A. Kohn.Evidence-Based Diagnosis. 2009.
    41. Krasnoff JB, Kohn MA, Choy FK, Doyle J, Johansen K, Painter PL. Interunit and intraunit reliability of the RT3 triaxial accelerometer. J Phys Act Health. 2008 Jul; 5(4):527-38. PMID: 18648118.
      View in: PubMed
    42. Calderón SH, Gilbert P, Jackson R, Kohn MA, Gerbert B. Cueing prenatal providers effects on discussions of intimate partner violence. Am J Prev Med. 2008 Feb; 34(2):134-7. PMID: 18201643; PMCID: PMC2242423.
      View in: PubMed, PubMed Central
    43. Pletcher MJ, Kertesz SG, Kohn MA, Gonzales R. Trends in opioid prescribing by race/ethnicity for patients seeking care in US emergency departments. JAMA. 2008 Jan 02; 299(1):70-8. PMID: 18167408.
      View in: PubMed
    44. Quinn J, McDermott D, Kramer N, Yeh C, Kohn MA, Stiell I, Wells G. Death after emergency department visits for syncope: how common and can it be predicted? Ann Emerg Med. 2008 May; 51(5):585-90. PMID: 17889403.
      View in: PubMed
    45. Quinn J, McDermott D, Stiell I, Kohn M, Wells G. Prospective validation of the San Francisco Syncope Rule to predict patients with serious outcomes. Ann Emerg Med. 2006 May; 47(5):448-54. PMID: 16631985.
      View in: PubMed
    46. Neighbor ML, Baird CH, Kohn MA. Changing opioid use for right lower quadrant abdominal pain in the emergency department. Acad Emerg Med. 2005 Dec; 12(12):1216-20. PMID: 16293897.
      View in: PubMed
    47. Kohn MA, Kwan E, Gupta M, Tabas JA. Prevalence of acute myocardial infarction and other serious diagnoses in patients presenting to an urban emergency department with chest pain. J Emerg Med. 2005 Nov; 29(4):383-90. PMID: 16243193.
      View in: PubMed
    48. Quinn JV, Stiell IG, McDermott DA, Kohn MA, Wells GA. The San Francisco Syncope Rule vs physician judgment and decision making. Am J Emerg Med. 2005 Oct; 23(6):782-6. PMID: 16182988.
      View in: PubMed
    49. Kohn MA. White blood cell count intervals and likelihood ratios for appendicitis. Acad Emerg Med. 2005 May; 12(5):480; author reply 480-1. PMID: 15860704.
      View in: PubMed
    50. Kohn MA, Michaels AD. Likelihood ratio reporting. Mayo Clin Proc. 2005 Apr; 80(4):563; author reply 563-4. PMID: 15819297.
      View in: PubMed
    51. Neighbor ML, Honner S, Kohn MA. Factors affecting emergency department opioid administration to severely injured patients. Acad Emerg Med. 2004 Dec; 11(12):1290-6. PMID: 15576519.
      View in: PubMed
    52. Quinn JV, Stiell IG, McDermott DA, Sellers KL, Kohn MA, Wells GA. Derivation of the San Francisco Syncope Rule to predict patients with short-term serious outcomes. Ann Emerg Med. 2004 Feb; 43(2):224-32. PMID: 14747812.
      View in: PubMed
    53. Kohn MA, Hammel JM, Bretz SW, Stangby A. Trauma team activation criteria as predictors of patient disposition from the emergency department. Acad Emerg Med. 2004 Jan; 11(1):1-9. PMID: 14709422.
      View in: PubMed
    54. Kohn MA, Kerr K, Malkevich D, O'Neil N, Kerr MJ, Kaplan BC. Beta-human chorionic gonadotropin levels and the likelihood of ectopic pregnancy in emergency department patients with abdominal pain or vaginal bleeding. Acad Emerg Med. 2003 Feb; 10(2):119-26. PMID: 12574008.
      View in: PubMed
    55. Fuentes EF, Kohn MA, Neighbor ML. Lack of association between patient ethnicity or race and fracture analgesia. Acad Emerg Med. 2002 Sep; 9(9):910-5. PMID: 12208680.
      View in: PubMed
    56. Gupta M, Tabas JA, Kohn MA. Presenting complaint among patients with myocardial infarction who present to an urban, public hospital emergency department. Ann Emerg Med. 2002 Aug; 40(2):180-6. PMID: 12140497.
      View in: PubMed
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