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Applying propensity scores estimated in a full cohort to adjust for confounding in subgroup analyses
A correctly-specified propensity score (PS) estimated in a cohort (“cohort PS”) should in expectation remain valid in a subgroup population. We sought to determine whether using a cohort PS can be validly applied to subgroup analyses and thus add efficiency to studies with many subgroups or restrict...
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| Autors principals: | , , , , |
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
2011
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3383902/ https://ncbi.nlm.nih.gov/pubmed/22162077 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1002/pds.2256 |
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