Table 1 The characteristics of included population.
Characteristics | Median (interquartile range)/number (percentage) |
|---|---|
Maternal age (year) | 31 (27–35) |
Pre-pregnancy BMI (kg/m2) | 22.30 (20.03–24.97) |
Rural residents | 1208 (43.9) |
Gestational week | 36 (33–38) |
Systolic pressure at admission (mmHg) | 147 (134–163) |
Diastolic pressure at admission (mmHg) | 94 (85–105) |
Number of gravities | 2 (1–4) |
Multipara | 1031 (36.91) |
Use of ART | 182 (6.53) |
Multiple gestations | 386 (13.88) |
Placenta previa | 121 (4.33) |
Oligohydramnios | 148 (5.30) |
History of cesarean section | 404 (14.49) |
History of gestational hypertension | 98 (3.51) |
History of stillbirth | 71 (2.54) |
Intrahepatic cholestasis | 429 (15.36) |
Hypertension | 209 (7.48) |
Diabetes mellitus | 126 (4.51) |
Gestational diabetes mellitus | 424 (15.18) |
HBsAg positivity | 191 (6.84) |
Cardiac diseases | 73 (2.61) |
IDA | 295 (10.56) |
Thalassemia | 12 (0.43) |
Neurological and mental diseases | 17 (0.61) |
Chronic nephritis | 57 (2.04) |
Other urinary system diseases | 16 (0.57) |
Immune system diseases | 48 (1.72) |
Hyperthyroidism | 35 (1.25) |
Hypothyroidism | 88 (3.15) |
Fatty liver | 16 (0.57) |
Hypoproteinemia | 155 (5.55) |