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Estimate the best cut-off of RCRI, CHA2DS2-VASc Score and the combined scores in predicting the composite perioperative cardiac events
| Score | C-statistic (95% CI) | Best cutoff | Sensitivity | Specificity | Number for diagnose |
|---|---|---|---|---|---|
| RCRI | 0.667(0.610–0.724) | 1.5 | 0.470 | 0.848 | 3.1 |
| CHA2DS2-VASc | 0.764(0.709–0.819) | 1.5 | 0.783 | 0.621 | 2.5 |
| CHA2DS2-VASc + RCRI | 0.772(0.718–0.826) | 3.5 | 0.627 | 0.782 | 2.4 |
