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Case‐mix adjustment in non‐randomised observational evaluations: the constant risk fallacy
Observational studies comparing groups or populations to evaluate services or interventions usually require case‐mix adjustment to account for imbalances between the groups being compared. Simulation studies have, however, shown that case‐mix adjustment can make any bias worse. One reason this can h...
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| 主要作者: | |
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| 格式: | Artigo |
| 語言: | Inglês |
| 出版: |
BMJ Group
2007
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| 主題: | |
| 在線閱讀: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2465605/ https://ncbi.nlm.nih.gov/pubmed/17933961 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1136/jech.2007.061747 |
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