Table 3.

Comparison of serum RBP4 levels in different pregnancy outcomes.

Pregnancy outcomes	Number of cases	RBP4 (μg/L)	t	P value
Gestational diabetes
Y	36	8.10 ± 1.43	11.836	<0.001
N	264	6.18 ± 0.82
Gestational hypertension
Y	47	7.96 ± 1.23	11.274	<0.001
N	253	6.37 ± 0.81
Intrahepatic cholestasis of pregnancy
Y	28	7.56 ± 1.23	7.904	<0.001
N	272	6.08 ± 0.91
Pregnancy anemia
Y	42	7.78 ± 1.30	13.054	<0.001
N	258	5.89 ± 0.78
Preterm birth
Y	35	8.04 ± 1.18	11.721	<0.001
N	265	5.94 ± 0.97