表 4. Prediction efficacy of parity for adverse pregnancy outcomes.

产次对相关不良妊娠结局的预测效能

Predictor	AUC (95% CI)	Sensitivity	Specifility	P
AUC: area under the curve; CI: confidence interval.
Parity-preterm birth	0.603 (0.549-0.656)	0.477	0.681	0.002
Parity-perinatal anemia	0.592 (0.539-0.645)	0.480	0.684	0.009
Parity-uterine rupture	0.765 (0.696-0.834)	0.829	0.682	0.011