Table 2.

Comparison of urinary BPA levels in different pregnancy outcomes ($\overline{x}$ ± s).

Pregnancy outcomes	Number of cases	BPA (ng/ml)	t	P value
Gestational diabetes
Y	36	95.42 ± 14.34	27.441	<0.001
N	264	47.82 ± 8.98
Gestational hypertension
Y	47	89.94 ± 12.51	24.199	<0.001
N	253	51.32 ± 9.53
Intrahepatic cholestasis of pregnancy
Y	28	76.42 ± 15.23	5.272	<0.001
N	272	64.97 ± 10.42
Pregnancy anemia
Y	42	82.31 ± 14.32	12.851	<0.001
N	258	60.12 ± 9.76
Preterm birth
Y	35	90.12 ± 15.64	22.921	<0.001
N	265	50.21 ± 8.62