“…It was analysed in 7 studies [24,31,33,34,[37][38][39] . Among them, three used the ROC curves [24,33,39] , three investigated the correlation between mortality and the classes defined [31,34,38] , and one calculated the odds ratio of mortality when CTSI was 6 5 [37] . PPV was 41%, NPV 92% [33] .…”