cox proportional hazards

Federal law prohibits discrimination in employment decisions against persons in certain protected categories. The common method for measuring discrimination involves a comparison of some aggregate statistic for protected and non-protected individuals. This approach is open to question when employment decisions are made over an extended time period. We show how to use hierarchical proportional h...

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Risk stratification for long-term mortality after percutaneous coronary intervention.

Journal: :Circulation. Cardiovascular interventions 2014

Chuntao Wu Fabian T Camacho Spencer B King Gary Walford David R Holmes Nicholas J Stamato Peter B Berger Samin Sharma Jeptha P Curtis Ferdinand J Venditti Alice K Jacobs Edward L Hannan

BACKGROUND A simple risk score to predict long-term mortality after percutaneous coronary intervention (PCI) using preprocedural risk factors is currently not available. In this study, we created one by simplifying the results of a Cox proportional hazards model. METHODS AND RESULTS A total of 11,897 patients who underwent PCI from October through December 2003 in New York State were randomly...

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