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Intensive Care Medicine Experimental
Fig. 3 | Intensive Care Medicine Experimental

Fig. 3

From: Timing and threshold of high sensitive troponin T measurement for the prediction of mortality after cardiac surgery: a retrospective cohort analysis

Fig. 3

Displays the ROC analysis of the Simplified Acute Physiology Score 3 (SAPS3), third hs troponins T [measured at the second postoperative day at 6 am (i.e. 48–72 h postoperatively)] and the combined ROC analysis of SAPS3 and third hs troponins T. The AUC are as follows: SAPS3: AUC 79.36%; 95% CI (0.73–0.85), third hs troponin T: AUC 82.74%; 95% CI (0.77–0.89) and SAPS3 and third hs troponin T (combined): AUC 87.96%; 95% CI (0.83–0.92). The third hs troponin T was not superior to predict in-hospital mortality compared to SAPS3 (IDI: 0.07; 95% CI [− 0.00 to 0.15]; p = 0.057). However, adding the third hs troponin T to SAPS3 improved the prognostic accuracy compared to SAPS3 alone significantly (IDI: 0.11; 95%CI [0.05–0.18]; p < 0.001)

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