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. 2021 Nov 29;18(23):12555. doi: 10.3390/ijerph182312555

Table 1.

Baseline characteristics, plasma zonulin levels, and perinatal outcomes of groups.

Variables Group 1
(n = 88)
Group 2
(n = 91)
Group 3
(n = 16)
Group 4
(n = 136)
p Value
Age (years)
median (min–max)
26.5 (18–41) 27 (20–42) 32 (18–39) 26 (18–45) 0.127 a
BMI (kg/m2)
median (min–max)
27.71 (20.12–39.12) 30.12 (22.12–38.12) 35.39 (27.88–39.12) 26.38 (20.22–42.12) <0.001 a
Gravidity
median (min–max)
1 (1–6) 1 (1–5) 1 (1–6) 2 (1–8) 0.724 a
Parity
median (min–max)
0 (0–4) 0 (0–4) 0 (0–3) 1 (0–5) 0.710 a
Gestational week of delivery
median (min–max)
37 (34–40) 39 (28–40) 36 (34–38) 39 (30–42) <0.001 a
1st minute APGAR score
median (min–max)
9 (5–9) 8 (5–9) 8 (5–9) 9 (5–9) <0.001 a
5th minute APGAR score
median (min–max)
9 (8–10) 10 (7–10) 9 (8–10) 10 (8–10) <0.001 a
Zonulin (ng/mL)
median (min–max)
12.11 (1.77–149.12) 31,03 (0.77–103.11) 110.33 (66.12–188.9) 4.77 (0.12–101.11) <0.001 a
Delivery type (CS/VD)
n (%)
37/51
(42%/58%)
31/60
(34.1%/65.9%)
3/13
(18.8%/81.3%)
27/109
(19.9%/80.1%)
0.002 b
NICU admission
n (%)
7 (8%) 19 (20.9%) 3 (18.8%) 8 (5.9%) 0.003 b
Meconium staining
n (%)
8 (9.1%) 10 (11%) 8 (50%) 9 (6.6%) <0.001 b

The levels of categories are presented as median (min–max) for numerical variables and as the number of observations and percentile for nominal variables. Values in bold represent statistically significant outcomes. Abbreviations: NICU: newborn intensive care unit CS: Caesarean section VD: vaginal delivery BMI: body mass index. a Kruskal–Wallis test. b Pearson chi-squared test.