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A common problem in clinical trials is the missing data that occurs when patients do not complete the study and drop out without further measurements. Missing data cause the usual statistical analysis of complete or all…
Updated Oct 29, 2026
HealthData.Gov
Background Many randomized trials involve measuring a continuous outcome - such as pain, body weight or blood pressure - at baseline and after treatment. In this paper, I compare four possibilities for how such trials…
Updated Oct 29, 2026
HealthData.Gov
Background We would expect information on adverse drug reactions in randomised clinical trials to be easily retrievable from specific searches of electronic databases. However, complete retrieval of such information may…
Updated Oct 29, 2026
HealthData.Gov
The Losartan Heart Failure Survival Study (ELITE II) and the Valsartan Heart Failure Trial (Val-HeFT) both evaluated the efficacy and tolerability of a selective angiotensin II receptor antagonist on morbidity and…
Updated Oct 29, 2026
HealthData.Gov
Research Article: Current Controlled Trials in Cardiovascular Medicine
Updated Oct 29, 2026
