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Table 5 Fetal or neonatal Outcomes, According to Study Group

From: Maternal and infant outcomes during the COVID-19 pandemic: a retrospective study in Guangzhou, China

Outcomes 24 January – 31 March 2020 24 January – 31 March 2019 P Value
Median gestational age at delivery (Mean ± SD) — wk 39.26 ± 1.42 (n = 589) 39.08 ± 1.63 (n = 733) 0.04*
Full-term birth — no./total no. (%) 560/589 (95.08) 681/733 (92.91) 0.77
Premature birth — no./total no. (%) 29/589 (4.92) 51/733 (6.96) 0.15
Median birth weight (Mean ± SD) — kg 3.21 ± 0.43 (n = 589) 3.22 ± 1.32 (n = 733) 0.86
Median birth length (Mean ± SD) — cm 49.64 ± 1.81 (n = 589) 49.45 ± 2.15 (n = 733) 0.11
Low birth weight infant 13/589 (2.21) 19/733 (2.60) 0.66
Adverse fetal 7/589 (1.19) 11/733 (1.50) 0.63
Adverse neonatal outcomes — no./total no. (%)    
Admission to NICU 122/589 (20.71) 157/733 (21.42) 0.80
Infection 27/589 (4.58) 59/733 (8.05) 0.02*
Shock 1/589 (0.17) 4/733 (0.55) 0.27
Sepsis 1/589 (0.17) 5/733 (0.68) 0.17
Apgar score < 7 after 1 min 10/589 (1.70) 20/733 (2.73) 0.22
Asphyxia 1/589 (0.17) 1/733 (0.14) 0.88
NRDS 5/589 (0.85) 11/733 (1.50) 0.29
Patent foramen ovale 21/589 (3.57) 44/733 (6.00)  < 0.001***
Patent ductus arteriosus 14/589 (2.38) 17/733 (2.32) 0.95
Macrosomia 11/589 (1.87) 25/733 (3.41) 0.10
Myocardial damage 43/589 (7.30) 60/733 (8.19) 0.58
Neonatal hyperbilirubinemia 66/589 (11.21) 95/733 (13.00) 0.39
Hypoalbuminemia 18/589 (3.06) 33/733 (4.5) 0.19
Hypocalcemia 11/589 (1.87) 24/733 (3.27) 0.12
25-hydroxyvitamin D deficiency 16/589 (2.72) 1/733 (0.14)  < 0.001***
Zinc deficiency 46/589 (7.81) 20/733 (2.73)  < 0.001***
Neonatal polycythemia 8/589 (1.36) 3/733 (0.41) 0.06
G6PD deficiency 3/589 (0.51) 2/733 (0.27) 0.49
Caput succedaneum 27/589 (4.58) 26/733 (3.55) 0.36
  1. Differences between the groups were assessed with the use of the Mann–Whitney U test for gestational age; the use of the t test for full-term birth and premature birth; the use of the chi-square test for other test index. *p < 0.05, ***p < 0.001. NICU: neonatal intensive care unit; NRDS: neonatal respiratory distress syndrome; G6PD: Glucose 6-phosphate dehydrogenase