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Ann Epidemiol. 2004 Jan;14(1):17-23.

The role of gender in the long-term prognosis of patients with myocardial infarction submitted to fibrinolytic treatment.

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  • 1Heart Institute (InCor), University of São Paulo Medical School, Brazil.



To determine the role of gender in short- and long-term survival after a thrombolytic-treated myocardial infarction.


A total of 686 consecutive patients with ST-elevation acute myocardial infarction, admitted to a single center and treated with intravenous streptokinase, were studied prospectively and consecutively. Assessment of clinical and in-hospital variables permitted comparison of baseline characteristics and both in-hospital and long-term survival between men and women.


A significantly (odds ratio=0.48, P=0.009) lower 14-day mortality rate for males (8.5%) relative to females (16%) was noted. However, this difference became non-significant after adjustment for age (odds-ratio male/female=0.62, P=0.097) or age and other variables (odds ratio=0.71, P=0.17). At the end of the follow-up (up to 12 years), survival rates for the whole population were 59.6% and 54.4% for men and women, respectively (chi-square=1.4, P=0.24); excluding in-hospital deaths, the rates were 65.1% and 64.8%, respectively (chi-square=0.21, P=0.65).


In the short-term follow-up, women have a significantly higher mortality relative to men in an unadjusted analysis. This difference became non-significant after adjusting for age, or age and other variables. In the long-term follow-up, sex was not correlated with prognosis.

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