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    Michael Kohn, MD, MPP

    TitleAssociate Adjunct Professor
    SchoolUCSF School of Medicine
    DepartmentEpidemiology & Biostatistics
    Address550 16th. Street
    San Francisco CA 94158
    Phone415-514-8142
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      Collapse Biography 
      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

      Collapse Overview 
      Collapse Overview
      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.”


      Collapse ORNG Applications 
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      Collapse In The News

      Collapse Bibliographic 
      Collapse Publications
      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.
      List All   |   Timeline
      1. 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 Nov; 51:8-14. PMID: 27693759.
        View in: PubMed
      2. 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
      3. Kohn MA. Outpatient Versus Hospitalization Management for Uncomplicated Diverticulitis. Ann Surg. 2015 Aug; 262(2):e86. PMID: 24646551.
        View in: PubMed
      4. 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
      5. 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
      6. Kohn MA. HINTS to identify stroke in ED patients with dizziness. Acad Emerg Med. 2014 Mar; 21(3):347. PMID: 24524556.
        View in: PubMed
      7. 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
      8. 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
      9. 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.
      10. 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
      11. 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
      12. 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
      13. Kohn MA. Reduced lung-cancer mortality with CT screening. N Engl J Med. 2011 Nov 24; 365(21):2036-7; author reply 2037-8. PMID: 22111731.
        View in: PubMed
      14. 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; PMCID: PMC3136638.
      15. 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.
      16. 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
      17. 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
      18. 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
      19. 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.
      20. 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.
      21. 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
      22. Somsouk M, Guy J, Biggins SW, Vittinghoff E, Kohn MA, Inadomi JM. Ascites improves upon [corrected] serum sodium plus [corrected] model for end-stage liver disease (MELD) for predicting mortality in patients with advanced liver disease. Aliment Pharmacol Ther. 2009 Oct; 30(7):741-8. PMID: 19604177; PMCID: PMC2742706.
      23. 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
      24. 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
      25. 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
      26. Thomas B. Newman and Michael A. Kohn. . Evidence-Based Diagnosis. 2009.
      27. 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
      28. 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.
      29. 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 2; 299(1):70-8. PMID: 18167408.
        View in: PubMed
      30. 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
      31. 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
      32. Olney RK, Murphy J, Forshew D, Garwood E, Miller BL, Langmore S, Kohn MA, Lomen-Hoerth C. The effects of executive and behavioral dysfunction on the course of ALS. Neurology. 2005 Dec 13; 65(11):1774-7. PMID: 16344521.
        View in: PubMed
      33. 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
      34. 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
      35. 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
      36. 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
      37. Kohn MA, Michaels AD. Likelihood ratio reporting. Mayo Clin Proc. 2005 Apr; 80(4):563; author reply 563-4. PMID: 15819297.
        View in: PubMed
      38. 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
      39. 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
      40. 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
      41. 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
      42. 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
      43. 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
      44. Kohn MA, Newman MP. What white blood cell count should prompt antibiotic treatment in a febrile child? Tutorial on the importance of disease likelihood to the interpretation of diagnostic tests. Med Decis Making. 2001 Nov-Dec; 21(6):479-89. PMID: 11760105.
        View in: PubMed
      45. Kohn MA, Newman TB. Indications for computed tomography after minor head injury. N Engl J Med. 2000 Nov 23; 343(21):1571. PMID: 11184748.
        View in: PubMed
      46. Kohn MA. Missed diagnoses of acute cardiac ischemia. N Engl J Med. 2000 Nov 16; 343(20):1492-3; discussion 1493-4. PMID: 11184458.
        View in: PubMed
      47. Kohn MA, Vosti CL, Lezotte D, Jones RH. Optimal gestational age and birth-weight cutoffs to predict neonatal morbidity. Med Decis Making. 2000 Oct-Dec; 20(4):369-76. PMID: 11059470.
        View in: PubMed
      48. Okin RL, Boccellari A, Azocar F, Shumway M, O'Brien K, Gelb A, Kohn M, Harding P, Wachsmuth C. The effects of clinical case management on hospital service use among ED frequent users. Am J Emerg Med. 2000 Sep; 18(5):603-8. PMID: 10999578.
        View in: PubMed
      49. Mandelberg JH, Kuhn RE, Kohn MA. Epidemiologic analysis of an urban, public emergency department's frequent users. Acad Emerg Med. 2000 Jun; 7(6):637-46. PMID: 10905642.
        View in: PubMed
      50. Kohn MA. Diagnostic accuracy of ultrasound above and below the beta-hCG discriminatory zone. Obstet Gynecol. 2000 Mar; 95(3):475-6. PMID: 10711570.
        View in: PubMed
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