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Evidence of methodological bias in hospital standardised mortality ratios: retrospective database study of English hospitals
Objective To assess the validity of case mix adjustment methods used to derive standardised mortality ratios for hospitals, by examining the consistency of relations between risk factors and mortality across hospitals. Design Retrospective analysis of routinely collected hospital data comparing obse...
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| 主要な著者: | , , , , , , |
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| フォーマット: | Artigo |
| 言語: | Inglês |
| 出版事項: |
BMJ Publishing Group Ltd.
2009
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| 主題: | |
| オンライン・アクセス: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2659855/ https://ncbi.nlm.nih.gov/pubmed/19297447 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1136/bmj.b780 |
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