Table 4.

Adjusted OR and AUC in the predictive model for PPH in twin pregnancies (N = 3,286).

Variables	Multivariate logistic regression			AUC (95% CI)	P value
	Adjusted OR	95% CI	P value
Placenta previa				0.615 (0.546–0.684)	<0.001
No		Ref.
Yes	5.898	3.130–11.113	<0.001
Placenta accreta				0.660 (0.591–0.729)	<0.001
No		Ref.
Yes	6.694	3.905–11.474	<0.001