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Treatment Effects in the Presence of Unmeasured Confounding: Dealing With Observations in the Tails of the Propensity Score Distribution—A Simulation Study
Frailty, a poorly measured confounder in older patients, can promote treatment in some situations and discourage it in others. This can create unmeasured confounding and lead to nonuniform treatment effects over the propensity score (PS). The authors compared bias and mean squared error for various...
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| Main Authors: | , , , |
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| 格式: | Artigo |
| 語言: | Inglês |
| 出版: |
Oxford University Press
2010
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| 主題: | |
| 在線閱讀: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3025652/ https://ncbi.nlm.nih.gov/pubmed/20716704 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1093/aje/kwq198 |
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