Prevalence of Hepatitis B Carrier Status and Its Negative Association with Hypertensive Disorders in Pregnancy
Table 4
Major risk factors for women with or without preeclampsia and all pregnancy hypertensive disorders.
PET (n = 1275) (1.45%)
No PET (n = 86614) (98.55%)
value
All gestational hypertensive disorders (n = 3826) (%)
No gestational hypertension (n = 84063) (%)
value
Chinese ethnicity
1263 (99%)
85429 (98.6%)
0.192
3784 (98.9%)
82895 (98.6%)
0.11
Parity
Nulliparous
691 (54.2%)
42569 (49.1)
<0.001
2071 (54.1%)
41189 (49%)
<0.001
Multiparous
584 (45.8%)
44045 (50.9%)
1755 (45.9%)
42875 (51%)
Advanced maternal age (>35)
414 (32.5%)
23499 (27.1%)
<0.001
1169 (30.6%)
22744 (27.1%)
<0.001
Multiple pregnancies
46 (3.6%)
1437 (1.65%)
<0.001
126 (3.29%)
1357 (1.61%)
<0.001
Obesity (body mass index >25 kg/m2)
360 (28.2%)
19962 (23%)
<0.001
950 (24.8%)
19372 (23%)
0.01
Smoking
21 (1.64%)
1736 (2%)
0.36
71 (1.85%)
1686 (2.01%)
0.52
Medical disorders
45 (3.53%)
942 (1.08%)
<0.001
76 (1.98%)
911 (1.08%)
0.001
Hepatitis B carrier status
75 (5.88%)
8327 (9.61%)
<0.001
260 (6.79%)
8142 (9.68%)
<0.001
All significant medical disorders that could predispose to gestational hypertension/preeclampsia, such as chronic hypertension, renal disorders, preexisting and gestational diabetes mellitus, and autoimmune disorders.