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  • Title: Predictors of in-hospital mortality difference between male and female patients with acute myocardial infarction.
    Author: Jiang SL, Ji XP, Zhao YX, Wang XR, Song ZF, Ge ZM, Guo T, Zhang C, Zhang Y.
    Journal: Am J Cardiol; 2006 Oct 15; 98(8):1000-3. PubMed ID: 17027559.
    Abstract:
    Many studies have demonstrated that, compared with men, women have increased long- and short-term mortality after acute myocardial infarction (AMI). The reasons for this mortality difference remain in dispute. We analyzed baseline characteristics, in-hospital management, and short-term outcomes of 1,246 men and 537 women with AMI to identify clinical variables that can predict the in-hospital mortality difference between genders. A higher in-hospital mortality was found in women with AMI than in men (11.9% vs 6.9%, p <0.001). Women were generally older, had a higher incidence of hypertension, diabetes mellitus, and hyperlipidemia, and had a higher Killip class of cardiac function compared with men. Reperfusion therapy and beta-receptor blockers were underused in women. Using a multivariate logistic regression model, we identified age, history of hypertension and diabetes mellitus, Killip class of cardiac function, and administration of reperfusion therapy and beta-receptor blockers as significant predictors of in-hospital mortality in patients with AMI, with odds ratios of 1.05 (95% confidence interval [CI] approximately 1.03 to 1.07), 1.65 (95% CI 1.12 to 2.41), 1.92 (95% CI 1.27 to 2.90), 3.62 (95% CI 2.88 to 4.56), 0.39 (95% CI 0.24 to 0.66), and 0.63 (95% CI 0.43 to 0.93), respectively. In conclusion, women with AMI had a higher in-hospital mortality rate than did men, probably due to older age, higher incidence of hypertension, diabetes mellitus, and hyperlipidemia, a higher Killip class of cardiac function, and less utilization of reperfusion therapy and beta-receptor blockers.
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