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Figure 4 Kaplan-Meier analysis of the probability of survival according to strategy group in patients who developed nonQ-wave myocardial infarction following thrombolytic therapy. Death from any cause was included in the analysis. The Cox proportional-hazards ratio for the conservative (ischemia-guided) strategy as compared with the routine invasive strategy was 0.18 (95% confidence interval, 0.04 to 0.83).
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