Table 1.

Clinical features of pregnant women with COVID-19 by body mass index categories.

Variables		Body Mass Index (BMI)			p
		Normal Weight n = 53	Overweight n = 92	Obese n = 47
Patient’s characteristics and pregnancy-related complications
Age, MV ± SD (95% CI)		30.66 ± 4.98 (29.29–32.02)	30.51 ± 5.53 (29.36–31.66)	31.06 ± 5.42 (29.47–32.66)	0.847 c
Positive family history for CVD, N (%)		11 (20.8%)	22 (23.9%)	20 (42.6%)	0.028 b
Gestational hypertension, N (%)		2 (3.8%)	9 (9.8%)	11 (23.4%)	0.007 b
Gestational diabetes mellitus, N (%)		2 (3.8%)	6 (6.5%)	6 (12.8%)	0.209 b
Primary thrombophilia, N (%)		2 (3.8%)	8 (8.7%)	2 (4.3%)	0.413 b
Anemia, N (%)		15 (28.3%)	36 (39.1%)	20 (42.6%)	0.283 b
Gestational age at labor, median (variance)		38 weeks and 5 days (1678.5)	39 weeks and 1 day (288.7)	38 weeks and 1 day (541.8)	0.323 a
Pregnancy outcome, N (%)	Live birth	49 (92.4%)	88 (95.65%)	41 (87.2%)	0.008 b
	Stillbirth	1 (1.9%)	4 (4.35%)	6 (12.8%)
	Miscarriage	3 (5.7%)	0 (0%)	0 (0%)
Newborn’s characteristics
Live newborns, N (%)	Pre-term	17 (34.7%)	19 (21.6%)	11 (26.8%)	0.474 b
	Term	32 (65.3%)	68 (77.3%)	30 (73.2%)
	Post-term	0 (0%)	1 (1.1%)	0 (0%)
Amniotic fluid index, median (variance)		120.00 (751.7)	120.00 (1141.4)	130 (2033.4)	0.139 a
Placenta maturity grade, median (variance)		2.50 (0.9)	3.00 (0.8)	3.00 (0.5)	0.041 a
Intrauterine growth restriction, N (%)		3 (5.8%)	4 (4.5%)	1 (2.2%)	0.674 b
Large for gestational age, N (%)		0 (0.0%)	2 (2.2%)	3 (6.5%)	0.128 b
Apgar score 1st minute, median (variance)		9.00 (8.5)	9.00 (4.5)	9.00 (10.1)	0.500 a
Apgar score 5th minute, median (variance)		10.00 (9.8)	10.00 (5.5)	10.00 (12.2)	0.807 a

^a Kruskal–Wallis test; ^b chi square test; ^c ANOVA test; CVD—cardiovascular disease; MV—mean value; SD—standard deviation; CI—confidence interval.