Table 4.

Accuracy of the nomogram score in the estimation of the risk of pelvic arterial bleeding

Variable	Value (95% CI)
Area under ROC curve, concordance index	0.8579 (0.7814–0.9343)
Cutoff score	68.65
Sensitivity, %	78.6 (60.5–89.8)
Specificity, %	78.3 (70.1–84.8)
Positive predictive value, %	45.8 (32.6–59.7)
Negative predictive value, %	94.0 (85.5–97.2)
Positive likelihood ratio	3.622 (2.452–5.363)
Negative likelihood ratio	0.273 (0.134–0.559)

ROC receiver operating curve, CI confidence interval