Problem of immortal time bias in cohort studies: example using statins for preventing progression of diabetes.
作者信息
Lévesque Linda E, Hanley James A, Kezouh Abbas, Suissa Samy
机构信息
Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montréal, Canada.
出版信息
BMJ. 2010 Mar 12;340:b5087. doi: 10.1136/bmj.b5087.
PMID:20228141
Abstract
摘要
Zotero 插件