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. 2015 Aug 28;10(8):e0136693. doi: 10.1371/journal.pone.0136693

Table 2. Clinical characteristics of the study population.

Controls (n = 266) Cases (n = 77) P
Age, y 24,5 (24,8–28,0) 26,4 (25,3–28,0) 0.0547
Pre-gestational weight, kg 64,0 (62,4–65,5) 66,3 (63,0–69,6) 0.2556
Height, m 1,60 (1,60–1,62) 1,61 (1,59–1,62) 0.4529
Body mass index, kg/m2 24,6 (24,1–25,1) 25,3 (24,0–26,6) 0.1613
Gestational age at admission, weeks 38,7 (38,4–39,0) 35,2 (34,4–36,0) <0.0001
Neonate weight, g 3138 (3071–3205) 2304 (2082–2525) <0.0001
Neonate Capurro score, weeks 38,5 (38,2–38,8) 35,3 (34,5–36,1) <0.0001
Smoking (%) 25/258 (9.4) 7/74 (9.1) 0.4924
Primigravida (%) 117/266 (44.4) 38/77 (49.4) 0.1764
Previous preeclampsia (%) 15/265 (5.6) 28/77 (35.6) <0.0001
Type of delivery
    Vaginal 157 13
    Forceps 11 1 <0.0001
    Cesarean section 87 61