Optimal Caliper Width for Propensity Score Matching of Three Treatment Groups: A Monte Carlo Study

Propensity score matching is a method to reduce bias in non-randomized and observational studies. Propensity score matching is mainly applied to two treatment groups rather than multiple treatment groups, because some key issues affecting its application to multiple treatment groups remain unsolved,...

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Bibliographic Details
Main Authors: Wang, Yongji, Cai, Hongwei, Li, Chanjuan, Jiang, Zhiwei, Wang, Ling, Song, Jiugang, Xia, Jielai
Format: Artigo
Language:Inglês
Published: Public Library of Science 2013
Subjects:
Research Article
Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC3859481/
https://ncbi.nlm.nih.gov/pubmed/24349029
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1371/journal.pone.0081045
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