Predictive model for postpartum hemorrhage requiring hysterectomy in a minority ethnic region

Table 3 Comparison of predictive ability of models and single parameters for hysterectomy

Parameters	AUC	AUC (95%CI)	Cut off value	Sensitivity, %	Specificity, %	Youden index
Model	0.953	0.928-0.978	0.003	90.50	90.70	0.812
Number of deliveries	0.760	0.707-0.813	1.5	89.20	55.20	0.444
History of cesarean section	0.648	0.583-0.712	Yes	60.80	68.70	0.295
Placenta previa	0.817	0.754-0.881	Yes	68.90	84.50	0.534
Uterine atony	0.861	0.814-0.908	Yes	85.10	87.00	0.721
Placenta accreta	0.670	0.594-0.745	Yes	35.10	88.80	0.239

AUC: Area under the curve; CI: Confidence interval.