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| Variables | Value |
| Sensitivity | 77.0% |
| Specificity | 73.1% |
| Positive predictive value | 90.1% |
| Negative predictive value | 50.0% |
| Positive likelihood ratio | 2.86 |
| Negative likelihood ratio | 0.31 |
| ROC area (95%CI) | 0.800 (0.734-0.866) |
| Predicted probability | 0.722 |
CI, confidence intervals; ROC, receiver operating characteristic.
