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. 2020 Apr 14;10:6398. doi: 10.1038/s41598-020-62193-7

Table 1.

Demographics and patient characteristics.

Case (n = 21) Control (n = 23) P value
Maternal age – mean ± SD (years) 29.7 ± 8.2 26.4 ± 5.1 0.12
Race – n (%)
  African American 19 (90.5) 20 (87.0) 0.71
  White 2 (9.5) 3 (13.0)
Body Mass Index - mean ± SD (kg/m2) 31.2 ± 7.5 25.6 ± 6.2 0.01
Gestational age at blood draw* - mean ± SD (weeks) 31.3 ± 4.4 33.2 ± 4.0 0.63
Parity – median [IQR] 0 [0–1] 1 [0–1] 0.46
Tobacco use – n (%) 0 (0) 2 (8.7) 0.43
Chronic HTN – n (%) 12 (57.1) 1 (4.3) 0.02
Postnatal outcomes^
Gestational age at delivery – median [IQR] (weeks) 32 [29–36] 39 [38–40] P < 0.001
Birth weight (g) - mean ± SD 1720 ± 993 3343 ± 641 P < 0.001

*Equates to the gestational age of onset of preeclampsia for the cases.

^By definition, all cases were delivered preterm.