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. 2021 Oct 15;8:756140. doi: 10.3389/fcvm.2021.756140

Table 1.

Baseline characteristics of the study population.

Characteristics Total (N = 1,041)
Age, y 29.5 ± 4.3
Pre-pregnancy BMI, kg/m2 20.5 ± 2.9
Monthly per capita income
      <3,000 RMB 392 (37.7)
      3,000–5,000 RMB 355 (34.1)
      >5,000 RMB 294 (28.2)
Education level
      Below high school 226 (21.7)
      High school 223 (21.4)
      Beyond high school 592 (56.9)
Nulliparous 461 (44.3)
Folic acid supplement 761 (73.1)
Family history of hypertension 208 (19.9)
Family history of diabetes mellitus 138 (13.3)
Smoking 25 (2.4)
Alcohol consumption 300 (28.8)
HDP 60 (5.8)
Gestational age at sampling, weeks 13.7 ± 3.1
UA, μmol/L 241.8 ± 50.1
eGFR, mL/min/1.73 m2 112.2 ± 10.8
GGT, U/L 15.1 ± 8.8
ALP, U/L 49.7 ± 13.7
LDH, U/L 150.8 ± 21.9
AST/ALT 1.19 ± 0.42

Data are presented as means ± standard deviation or n (%). BMI, body mass index; HDP, hypertensive disorders of pregnancy; UA, uric acid; eGFR, estimated glomerular filtration rate; GGT, gamma–glutamyl transpeptidase; ALP, alkaline phosphatase; LDH, lactate dehydrogenase; AST/ALT, aspartate aminotransferase to alanine aminotransferase ratio.