Rare Outcomes, Common Treatments: Analytic Strategies Using Propensity Scores
Rare Outcomes, Common Treatments: Analytic Strategies Using Propensity Scores
L. Braitman,P. Rosenbaum
2002 · DOI: 10.7326/0003-4819-137-8-200210150-00015
Annals of Internal Medicine · 383 Citations
TLDR
When treated patients are compared to controls, differing outcomes may reflect either effects caused by the treatment or differences in prognosis before treatment, so that differing outcomes indicate treatment effects.