Table 2.

Neonatal characteristics.

Neonatal characteristics	All infants (n = 692)
Gestational age at birth (completed weeks)	38 (36, 39)a
	Missing data, 12
Birth weight (g)	2924 (783)b Missing data, 12
Female	333 (48%)
Plurality	Singleton, 640 (93%)
	Twin, 48 (7%)
	Triplet or more, 2 (0.3%)
	Missing data, 2
Ethnicity	African American, 64 (9%)
	Asian, 39 (6%)
	Caucasian, 358 (52%)
	Hispanic, 19 (3%)
	Other, 126 (18%)
	Not stated, 85 (12%)
	Missing data, 1
Duration of admission (days)	4 (2,8)a Missing data, 20
Apgar score at 5 min	9 (1)b Missing data, 134
Resuscitation at birth	None, 513 (76%)
	Non-invasive ventilation, 61 (9%)
	Positive pressure inflations, 57 (8%)
	Oxygen, 64 (9%)
	Chest compressions, 7 (1%)
	Adrenaline, 5 (1%)
	Intubation, 59 (9%)
	Missing data, 15
Clinical condition during hospitalisation until discharge or confirmed recovery	Asymptomatic, 471 (69%)
	Respiratory failure requiring respiratory support ± oxygen therapy, 146 (21%)
	Jaundice, 19 (3%)
	Sepsis, 18 (3%)
	Feeding difficulties, 17 (2%)
	Lethargy, 8 (1%)
	Apnoea, 4 (1%)
	Fever or temperature instability, 4 (1%)
	Gastrointestinal symptoms, 4 (1%)
	Tachycardia, 3 (0.4%)
	Other, 51 (7%)
	Missing data, 11
Discharge outcome	Home, 643 (95%)
	Transfer, 27 (4%)
	Death, 6 (1%)
	Missing data, 16
Confirmed SARS-CoV-2 positive	27 (5%) Missing data, 116
SARS-CoV-2 positive neonatal symptoms	Asymptomatic, 14 (52%)
	Respiratory failure requiring respiratory support ± oxygen therapy, 9 (33%)
	Anaemia, 1 (4%)
	Bradycardia, 1 (4%)
	Feeding difficulties, 1 (4%)
	Fetal demise, 1 (4%)
	Hypocalcaemia, 1 (4%)
	Hypotonia, 1 (4%)
	Jaundice, 1 (4%)
	Lethargy, 1 (4%)
	Myocarditis, 1 (4%)
	Per rectal bleeding, 1 (4%)
	Sepsis, 1 (4%)

^aMedian (25th percentile, 75th percentile).

^bMean (SD).