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Table 2 Clinical characteristics and pregnancy outcomes of placentas used for tissue laeverin protein quantification. Continuous variables are presented as mean ± SE or median (range) and categorical variables as n (%) as appropriate. Doppler ultrasonography was performed < 24 h before delivery

From: Longitudinal reference ranges for maternal plasma laeverin, and its role as a potential biomarker of preeclampsia

  Healthy women (n = 11) Preeclampsia (n = 13) P value
Maternal age, median (range), years 27 (19–32) 29 (21–36) 0.562
Body mass index before delivery, (kg/m2) 23.49 ± 1.56 27.20 ± 1.66 0.118
Primipara, n (%) 7 (63.6) 6 (46.2) 0.532
Mean arterial pressure, mmHg 92.17 ± 1.91 130.85 ± 2.92 0.000
Uterine artery pulsatility index (mean of the left and right side) 0.66 ± 0.04 1.76 ± 0.34 0.028
Middle cerebral artery pulsatility index 1.06 ± 0.10 1.46 ± 0.12 0.006
Umbilical artery pulsatility index 0.73 ± 0.05 1.05 ± 0.08 0.028
Gestational age at delivery, median (range), weeks 40 (34–42) 35 (29–39) 0.024
Cesarean section, n (%) 1 (9.1) 9 (69) 0.005
Neonatal birth weight, g 3516 ± 201 2690 ± 248 0.018
Placental weight, g 622 ± 65 522 ± 54 0.247
5 min APGAR score median (range) 9 (8–10) 9 (5–10) 0.435
Arterial cord blood pH 7.28 ± 0.02 7.24 ± 0.03 0.457
Arterial cord blood Base Excess, mmol/L −3.46 ± 1.52 −2.20 ± 1.52 0.582
Venous cord blood pH 7.35 ± 0.01 7.29 ± 0.02 0.043
Venous cord blood Base Excess, mmol/L −4.16 ± 1.07 −1.72 ± 1.44 0.270