Comparing the predictive validity of three contemporary bleeding risk scores in acute coronary syndrome
2012
Aims:Haemorrhagic complications are strongly linked with adverse outcomes in acute coronary syndrome (ACS) patients. Various risk scores (RS) are available to predict bleeding risk in these patients. We compared the performance of three contemporary bleeding RS in ACS.Methods:We studied 4500 consecutive patients with ACS. We calculated the ACTION, CRUSADE, and Mehran et al. (2010) bleeding RS, and evaluated their performance for predicting their own major bleeding events and TIMI serious (major or minor) bleeding episodes, in patients with either non-ST-elevation ACS (NSTEACS) or ST-elevation myocardial infarction (STEMI). Calibration (Hosmer–Lemeshow test, HL) and discrimination (c-statistic) for the three RS were computed and compared.Results:For RS-specific major bleeding, ACTION and CRUSADE showed the best prognostic discrimination in STEMI (c=0.734 and 0.791, respectively; p=0.04), and in NSTEACS (c=0.791 and 0.810; p=0.4); being CRUSADE significantly superior to Mehran et al. in both ACS types (p<0....
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