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Figure 2 Kaplan-Meier analysis of the probability of survival in patients who developed nonQ-wave myocardial infarction following thrombolytic therapy (solid line) or spontaneously, i.e., in the absence of thrombolytic therapy (dashed line). Death from any cause was included in this analysis. The Cox proportional-hazards ratio for post-thrombolytic as compared with spontaneous nonQ-wave myocardial infarction was 0.65 (95% confidence interval, 0.33 to 1.27), adjusted for age, history of diabetes, prior myocardial infarction, peripheral vascular disease and maximum creatine kinase level.
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