Impact of gender on coronary bypass operative mortality

被引:307
作者
Edwards, FH
Carey, JS
Grover, FL
Bero, JW
Hartz, RS
机构
[1] Univ Florida, Hlth Sci Ctr, Div Cardiothorac Surg, Jacksonville, FL 32209 USA
[2] Torrance Mem Med Ctr, Dept Surg, Torrance, CA USA
[3] Univ Colorado, Hlth Sci Ctr, Denver, CO USA
[4] Summit Med Syst, Minneapolis, MN USA
[5] Tulane Univ, Sch Med, Dept Surg, New Orleans, LA 70112 USA
关键词
D O I
10.1016/S0003-4975(98)00358-0
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background. In spite of many reports investigating the influence of gender on coronary artery operations, it is still uncertain whether gender is an independent risk factor for operative mortality. A major problem of previous reports has centered around the fact that men and women constitute quite different populations, thereby making direct comparisons difficult. Methods. The Society of Thoracic Surgeons National Cardiac Surgery Database was used to retrospectively examine 344,913 patients undergoing coronary artery bypass graft operations from 1994 through the most recent data harvest. The operative mortality of male and female patients was compared for a variety of single risk factors and combinations of risk factors. A logistic risk model was used to account for all important patient parameters so that individuals could be stratified into comparable categories allowing for direct comparisons of risk-matched male and female patients. Results. The univariate analysis showed that the 97,153 women carried a significantly higher mortality for each of the risk factors examined. The multivariate analysis and the risk model stratification showed that women had significantly higher mortality as compared to equally matched men in the low- and medium-risk part of the spectrum, but in high-risk patients, there was no difference between male and female mortality. Conclusions. Gender is an independent predictor of operative mortality except for patients in very high-risk categories. (Ann Thorac Surg 1998;66:125-31) (C) 1998 by The Society of Thoracic Surgeons.
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收藏
页码:125 / 131
页数:7
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