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Double-adjustment in propensity score matching analysis: choosing a threshold for considering residual imbalance
BACKGROUND: Double-adjustment can be used to remove confounding if imbalance exists after propensity score (PS) matching. However, it is not always possible to include all covariates in adjustment. We aimed to find the optimal imbalance threshold for entering covariates into regression. METHODS: We...
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5408373/ https://www.ncbi.nlm.nih.gov/pubmed/28454568 http://dx.doi.org/10.1186/s12874-017-0338-0 |