Index
Case group (N=1138)
Control group(N=1342)
P value
BMI index(kg/m2 23.99±2.64 24.00±3.00 0.942
age(year) 31.60±5.52 31.67±4.56 0.741
gravidity(times) 2.58±1.38 2.56±1.31 0.710
Number of abortions(times) 1.40±0.55 1.50±0.54 0.751
Systolic pressure(mmHg) 163.52±18.68 117.15±10.33 0.000a
Diastolic pressure(mmHg) 105.77±12.62 74.27±7.49 0.000a
Admission pregnancy week(week) 34.88±3.88 39.16±1.36 0.000a
Gestation week(week) 35.57±3.38 39.25±1.24 0.000a
Fetal birth weight(g) 2468.44±757.83 3383.79±1.24 0.000a