The Revised Cardiac Risk Index (RCRI) is widely used to predict the risk of peri-operative cardiac events. In this systematic review, the pooled sensitivity/specificity of the RCRI in mixed surgical patients was 65% and 75%, respectively, in discriminating low from intermediate-to-high risk (AUC=0.75). It performed less well in vascular surgery patients, with a sensitivity/specificity of 70% and 55% respectively (AUC=0.64), and performed less well in predicting death (median AUC=0.62). The RCRI performs moderately well in predicting peri-operative cardiac risk in non-vascular patients (abstract)
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