Table 1: Maternal characteristics and clinical characteristics stratified according to quartiles of PSP/REG Iα in pregnant women.

Quartiles of PSP/REG IαI (n=148)II (n=149)III (n=149)IV (n=149)p-value

Maternal age (years)0.781
Education (years)0.304
≤ 1214(9.40)15(10.00)39(26.17)41(27.52)
12–16122(81.88)129(86.00)100(67.11)88(59.06)
> 1613(8.72)6(4.00)11(7.38)19(12.75)
Nullipara [n (%)]67(44.97)74(49.66)61(40.94)84(56.38)0.001
Pregestational BMI (kg/m2)0.277
Family history of hypertension [n (%)]11(7.38)11(7.33)20(13.42)12(8.05)0.196
Family history of diabetes [n (%)]8(5.37)4(2.67)4(2.67)9(6.04)0.321
Systolic BP (mmHg)0.415
Diastolic BP (mmHg)0.572
FBG (mmol/L)0.936
Total Cholesterol (mmol/L)0.163
Triglycerides (mmol/L)0.132
LDL-cholesterol (mmol/L)0.181
HDL-cholesterol (mmol/L)0.585
Baseline renal parameter
UA (μmol/L)0.001
Creatinine (μmol/L)0.001
BUN (mmol/L)0.001
eGFR (ml/min/1.73m2)0.001

Significance, <0.05. Data are presented as (%), mean ± SD, or median (interquartile range) as appropriate. Accepted education for 12 years means already obtained the degree of high school. Accepted education for 16 years means already obtained the degree of bachelor.