Significance of highly phosphorylated insulin-like growth factor binding protein-1 and cervical length for prediction of preterm delivery in twin pregnancies

Table 3 Predictive performance of phosphorylated insulin-like growth factor binding protein-1 expression combined with cervical length test for preterm delivery in twin pregnancies

Pregnancy outcomes	phIGFBP-1 expression combined with cervical length		Total
	+	-
+	156	8	164
-	7	83	90
Total	163	91	254

“+”: Preterm delivery; “-”: Non-preterm delivery; phIGFBP-1: Phosphorylated insulin-like growth factor binding protein-1.