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. 2021 Jun 7;16:259. doi: 10.1186/s13023-021-01887-1

Table 8.

Clinical information and liver function test results of normal pregnant women and patients in every subgroup of ICP

Subjects Normal pregnant (n = 50) ICP1 (n = 51) ICP2 (n = 27) ICP3 (n = 22) ICP4 (n = 44) H/χ2 P
Age (year) 28 (26, 32) 30 (27, 31) 29 (23, 33) 28 (27, 31) 29 (27, 33) 1.441 0.837
Gravidity 2 (1, 3) 2 (1, 3) 2 (1, 3) 1 (1, 2) 2 (1, 2) 8.069 0.089
Delivery pregnancy week 39 (38, 40) 37 (35, 39)a 37 (36, 38)a 38 (37, 39.0)a 37 (36, 39)a 36.587 0.000
Previous history of ICP (n, %) 0 (0%) 2 (3.9%) 5 (18.5%)a 2 (9.1%) 4 (9.1%) 10.855 0.028
Pregnancy outcome (n, %)
Cesarean section 4 (8%) 42 (82.4%)a 18 (66.7%)a,b 8 (36.7%)b 18 (40.9%)a,b 53.982 0.000
Premature (< 37w) 0 (0%) 39 (76.5%)a 2 (7.4%)a,b 2 (9.1%)a,b 5 (11.4%)a,b 30.81 0.000
Meconium-stained amniotic fluid 1 (2%) 19 (37.3%)a 4 (14.8%)a,b 3 (13.6%)a,b 8 (18.2%)a,b 27.324 0.000
Neonatal ICU hospitalization rate 1 (2%) 17 (33.3%)a 5 (18.5%)a 0 (0%) 5 (11.4%) 25.422 0.000
1 min Apgar scores ≤ 7 1 (2%) 12 (23.5%)a 2 (7.4%) 2 (9.1%) 3 (6.8%)b 21.185 0.000
Newborn weight (g) 3305 (2980, 3592) 3180 (2720, 3370)a 2900 (2720, 3360)a 3185 (2837, 3320) 2960 (2565, 3870) 10.774 0.029
Postpartum hemorrhage (ml) 225 (200, 300) 200 (200, 300) 300 (200, 300) 200 (200, 285) 300 (200, 300)a 11.077 0.026
Liver function test results
TBA (umol/L) 3.3 (2.4, 4.5) 32.0 (16.5, 48.1)a 18.8 (12.0, 28.8)a,b 19.9 (16.9, 29.4)a 6.2 (4.4, 7.4)a,b,c 149.387 0.000
TBIL (umol/L) 11.0 (8.8, 12.9) 18.0 (13.4, 26.6)a 8.4 (5.4, 12.1)a,b 6.5 (4.5, 10.1)a,b 8.2 (6.3, 10.4)a,b 94.044 0.000
DBIL (umol/L) 3.4 (2.6, 4.8) 12.6 (8.3, 16.8)a 3.7 (2.2, 5.1)a,b 3 (2.4, 3.6)a,b 3.8 (3.0, 4.5)a,b,d 123.664 0.000
ALT (U/L) 19.0 (17.0, 25.3) 216.0 (106.0, 336.0)a 176.0 (95.0, 309.0)a 10.0 (7.8, 13.5)a,b 104.5 (70.0, 174.8)a,b,d 142.102 0.000
AST (U/L) 18.0 (15.8, 22.0) 146.0 (73.0, 205.0)a 116.8 (60.0, 232.0)a 15.5 (12.0, 18.0)a,b 51.5 (35.3, 76.5)a,b,d 141.737 0.000

The data in the table is expressed by M (Q1, Q3)

aP < 0.05 compared with normal pregnant women

bCompared with ICP1 group, P < 0.05

cCompared with the ICP2 group, P < 0.05

dComparing the ICP3 group with the ICP4 group, P < 0.05