Skip to main content
. 2020 Jul 8;84(4):e13293. doi: 10.1111/aji.13293

Table 1.

Patient characteristics

Healthy (n = 15) Late‐onset preeclampsia (n = 8) Early‐onset preeclampsia (n = 6)
Maternal age (y) 28 (24‐30) 29 (26.25‐28.75) 26.0 ± (25.0‐2875)
Ethnicity (%)
White 86.67 75 100
Assyrian 13.33 25 0
Gestational age (wks) 39.29 (39.0‐39.86) 38.14 (37.14‐38.79) a (P = .04) 30.65 (29.29‐31.32) a (P < .0001) b (P < .0001)
Parity 1 (1‐2) 1 (1‐2) 1 (1‐3)
Body mass index (kg/m2) 24.30 (20.35‐26.07) 26.25 (21.65‐34.96) 23.85 (21.03‐26.85)
Gestational age at onset of preeclampsia (wks) 37.21 (35.97‐38.21) 30.0 (28.4‐30.71) b (P < .0001)
Diastolic blood pressure (mmHg) 80.0 (72.0‐81.0) 94.0 (86.75‐99.63) a (P = .0038) 98.50 (89.0‐102.5) a (P = .0009)
Systolic blood pressure (mmHg) 120.0 (110.0‐122.1) 138.8 (131.3‐155.0) a (P = .0079) 152.5 (140.0‐172.8) a (P = .0002)
Duration of hypertension (days) 4.5 (1.0‐14.0) 4.5 (3.0‐7.5)
Random urine protein:creatinine ratio 0.80 (0.60‐0.93) 9.35 (1.84‐17.85) b (P = .007)
Corticosteroid therapy for fetal lung maturation (% of patients) 0 0 100 a (P < .0001) b (P < .0001)
Number of days between last dose of corticosteroids and childbirth (days) 2.5 (2.0‐5.25)
Mode of delivery (%)
Vaginal 66.67 75.0 0 a (P = .011) b (P = .021)
Spontaneous 93.33 37.50 0
Induction on maternal indication 0 62.50 0
Induction on fetal indication 6.67 0 0
CS 33.33 25.0 100 a (P = .011) b (P = .021)
Breech presentation 33.33 0 0
Previous CS 66.67 50.0 0
Fetal indication 0 50.0 16.67
Maternal indication 0 0 83.33
Birth weight (g) 3410 (3080‐3680) 3115 (2698‐3361) 1235 (990‐1459) a (P < .0001) b (P < .0001)
% Below 10th percentile birthweight 0 25 66.67 a (P = .0008)
Fetal sex (% female/male) 40/60 12.5/87.5 66.7/33.3
Time between delivery and start of placental processing (hours) 6.50 (0‐17.50) 10.5 (1.38‐17.75) 17.50 (0.38‐19.25)
Amount of cells isolated per mL decidual tissue (106)
Decidua parietalis 0.17 (0.063‐0.21) 0.62 (0.34‐0.90) 0.11 (0.052‐0.39)
Decidua basalis 0.20 (0.076‐0.45) 0.63 (0.23‐1.0) 0.12 (0.10‐0.24)

Data as median with interquartile range; CS, cesarean section; blood pressure, highest blood pressure measured; duration of hypertension, time from first notice of hypertension until birth; statistical analysis by Kolmogorov‐Smirnov test, one‐way ANOVA and Tukey's post hoc test, Kruskal‐Wallis and Dunnett's test, or Fisher's exact test.

a

Shows comparisons to healthy pregnancies.

b

Shows comparisons to late‐onset preeclampsia.