Methods to assess intended effects of drug treatment in observational studies are reviewed

This publication has 64 references indexed in Scilit:

• Comparison of predictions based on observational data with the results of randomized controlled clinical trials of coronary artery bypass surgery
  Published by Elsevier ,2004
• Randomised trials comparing chemotherapy regimens for advanced non-small cell lung cancer: biases and evolution over time
  European Journal Of Cancer, 2003
• Identification of Causal Effects Using Instrumental Variables
  Journal of the American Statistical Association, 1996
• Importance of events per independent variable in proportional hazards regression analysis II. Accuracy and precision of regression estimates
  Journal of Clinical Epidemiology, 1995
• Empirical evidence of bias. Dimensions of methodological quality associated with estimates of treatment effects in controlled trials
  JAMA, 1995
• Does more intensive treatment of acute myocardial infarction in the elderly reduce mortality? Analysis using instrumental variables
  Published by American Medical Association (AMA) ,1994
• Effects of Misspecification of the Propensity Score on Estimators of Treatment Effect
  Published by JSTOR ,1993
• Constructing a Control Group Using Multivariate Matched Sampling Methods That Incorporate the Propensity Score
  The American Statistician, 1985
• Current problems and future challenges in randomized clinical trials.
  Circulation, 1984
• The central role of the propensity score in observational studies for causal effects
  Biometrika, 1983