Table 2.

Outcomes by group

Variable	ICP (n = 255)	Control (n = 131)	P
ALT >25 U/L, n (%)	191 (75)	63 (48)	<0.01
ALT >50 U/L, n (%)	121 (48)	27 (21)	<0.01
ALP >140 U/L, n (%)	125 (49)	23 (18)	<0.01
ALP >280 U/L, n (%)	42 (16)	1 (0.8)	<0.01
Postpartum liver imaging, n (%)	110 (43)	40 (31)	0.02
Median ALT level (IQR)	46 (25–104)	25.5 (18–46)	0.03
Median AST level (IQR)	34 (24–66)	24 (20–36)	0.03
Median ALP level (IQR)	134 (82–246)	86 (66–118)	<0.01

ALP, alkaline phosphatase; ALT, alanine aminotransferase; ICP, intrahepatic cholestasis of pregnancy; IQR, interquartile range.