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On the use of propensity scores in case of rare exposure
BACKGROUND: Observational post-marketing assessment studies often involve evaluating the effect of a rare treatment on a time-to-event outcome, through the estimation of a marginal hazard ratio. Propensity score (PS) methods are the most used methods to estimate marginal effect of an exposure in obs...
| Autores principales: | , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2016
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4815252/ https://www.ncbi.nlm.nih.gov/pubmed/27036963 http://dx.doi.org/10.1186/s12874-016-0135-1 |