| Literature DB >> 21556288 |
Abstract
Principal stratification has recently become a popular tool to address certain causal inference questions, particularly in dealing with post-randomization factors in randomized trials. Here, we analyze the conceptual basis for this framework and invite response to clarify the value of principal stratification in estimating causal effects of interest.Keywords: causal inference; direct effect; mediation; principal stratification; surrogate endpoints
Mesh:
Year: 2011 PMID: 21556288 PMCID: PMC3083139 DOI: 10.2202/1557-4679.1322
Source DB: PubMed Journal: Int J Biostat ISSN: 1557-4679 Impact factor: 0.968