title: Correcting for regression in assessing the response to treatment in a selected population.
abstract: Previous work on the consequences of regression to the mean for the interpretation of responses to treatment is extended to the situation where the response measured is the proportional change in some variable. Methods for correcting for the bias are discussed.
mesh_terms: D001699:Biometry; D002986:Clinical Trials as Topic; D006801:Humans; D012044:Regression Analysis