Table 1:

Neonatal Cohort Demographics and Clinical Characteristics by BPD Status

Neonatal Characteristics	No-Mild BPD (n=57) n (%)	Moderate-to-Severe BPD (n=30) n (%)	p-value
Gestational Age (wks ±SD)	28.9 ±2.0	26.7 ±2.0	<0.001
Birth Weight (g ±SD)	1220 ±347	781 ±257	<0.001
Male	31 (54.4)	11 (36.7)	0.116
Prenatal Steroids	47 (82.5)	21 (70.0)	0.181
Maternal Chorioamnionitis	7 (12.3)	2 (6.7)	0.713
Surfactant	20 (35.1)	26 (86.7)	<0.001
Neonatal Surgery	2 (3.5)	11 (36.7)	<0.001
NEC	1 (1.8)	4 (13.3)	0.046
PDA	23 (40.4)	24 (80.0)	<0.001
Infection	22 (38.6)	21 (70.0)	0.005
WMI	3 (5.3)	7 (23.3)	0.028
IVH Grade 3 or 4	1 (1.8)	5 (16.7)	0.017
CbH	17 (29.8)	12 (40.0)	0.339

BPD: bronchopulmonary dysplasia; SD: standard deviation; NEC: necrotizing enterocolitis; PDA: patent ductus arteriosus; WMI: white matter injury; IVH: intraventricular hemorrhage; CbH: cerebellar hemorrhage