William Friedewald

William Friedewald

William Friedewald

Professor Emeritus
Biostatistics and Epidemiology and Medicine at the Columbia University Medical Center


722 West 168th St, Floor 15, Room 1508
New York NY 10032
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Dr. William Friedewald's area of research interest is randomized clinical trials, with a special focus on cardiovascular disease. Most recently, his focus has expanded to diabetes and traumatic brain injury.



MD, 1963, Yale University

Other Affiliations

President, Society for Clinical Trials (1990-1991)

Areas of Expertise

Cardiovascular Disease

Select Publications

Friedewald WT, Levy RI, Fredrickson DS Estimation of the concentration of low-density lipoprotein cholesterol in plasma, without use of the preparative ultracentrifuge Clin Chem 18 499-502 1972
The Coronary Drug Project Research Group Clofibrate and niacin in coronary heart disease JAMA 231 360-381 1975
Byar DP, Simon RM, Friedewald WT, Schlesselman JJ, DeMets DL, Ellenberg JH, Gall MH, Ware JH Randomized clinical trials: perspectives on some recent ideas New England Journal of Medicine 295 74-80 1976
Aspirin Myocardial Infarction Study Research Group A randomized controlled trial of aspirin in persons recovered from myocardial infarction JAMA 243 661-669 1980
B-Blocker Heart Attack Trial Research Group A randomized trial of propranolol in patients with acute myocardial infarction. I. Mortality results. JAMA 247 1707-1714 1982
Multiple Risk Factor Intervention Trial Research Group Multiple risk factor intervention trial. Risk factor changes and mortality results. JAMA 248 1465-1477 1982
Friedewald WT Costs of clinical trials and the need for efficiency: a brief overview Statistics in Medicine 9 9-12 1990
People's Republic of China-United States Cardiovascular and Cardiopulmonary Epidemiology Research Group An epidemiological study of cardiovascular and cardiopulmonary disease risk factors in four populations in the People's Republic of China. Baseline report from the P.R.C.-U.S.A. Collaborative Study. Circulation 85 1083-1096 1992
Community Intervention Trial for Smoking Cessation (COMMIT) Cohort results from a four-year community intervention and community intervention trial for smoking cessation (COMMIT): changes in adult cigarette smoking prevalence. American Journal of Public Health 85 183-200 1995
Mundinger MO, Kane RL, Lenz ER, Totten AM, Tsai W, Cleary PD, Friedewald WT, Siu AL, Shelanski ML Primary care outcomes in patients treated by nurse practitioners or physicians, a randomized trial JAMA 283 59-68 2000

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