Problem of immortal time bias in cohort studies: example using statins for preventing progression of diabetes.
Lévesque
Linda E
LE
Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montréal, Canada. linda.levesque@queensu.ca
Hanley
James A
JA
Kezouh
Abbas
A
Suissa
Samy
S
D015982:Bias; D015331:Cohort Studies; D003920:Diabetes Mellitus / Q000517:prevention & control*; D018450:Disease Progression; D006801:Humans; D019161:Hydroxymethylglutaryl-CoA Reductase Inhibitors / Q000627:therapeutic use*; D013997:Time Factors
D019161:Hydroxymethylglutaryl-CoA Reductase Inhibitors