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Figure 2 Receiver-operating characteristic curves of the new risk score and of the Thrombolysis In Myocardial Infarction (TIMI) risk score for the primary end point (death or myocardial infarction at 1 year) (left) and the secondary end point (death or myocardial infarction or urgent revascularization at 14 days) (right). The accuracy of the new risk score was greater for both the primary (C index of 0.78 vs. 0.66, p = 0.0002) and secondary (C index of 0.70 vs. 0.66, p = 0.1) end points. Solid line = new risk score; dashed line = TIMI risk score.