Cytokines and Exhaled Nitric Oxide Are Risk Factors in Preterm Infants for Bronchopulmonary Dysplasia

Table 2

The basic maternal characteristics between the BPD and non-BPD groups.

	BPD group ()	Non-BPD group ()	value
Maternal age: (years)			0.065
Caesarean section: (%)	10 (71.4%)	29 (90.6%)	0.173
Antenatal steroids: (%)	10 (71.4%)	17 (53.1%)	0.246
Premature rupture of membranes (PROM): (%)	5 (35.7%)	17 (53.1%)	0.023
Intrauterine infection: (%)	2 (14.3%)	7 (21.9%)	0.700

represents the number of patients.