Table 1. Demographic and baseline characteristics of neonates.

Characteristic	NEC group (n=30)	Control group (n=40)	P value
GA (weeks)	31.41±1.15	32.27±2.09	0.051
PMA at MRI (weeks)	37.53±3.08	37.15±3.23	0.106
Birth weight (g)	1,678.67±449.39	1,756.95±523.16	0.513
Birth weight at MRI (g)	2,520.11±120.22	2,690.71±630.08	0.193
Apgar score (1 min)	7.10±1.729	7.75±1.515	0.099
Apgar score (5 min)	7.67±1.52	8.38±1.51	0.057
Male	20 (66.7)	19 (47.5)	0.110
Cesarean delivery	14 (46.7)	21 (52.5)	0.285

Data are expressed as the mean ± SD and n (%). There were no significant differences between the 2 groups (P>0.05). NEC, necrotizing enterocolitis; GA, gestational age; PMA, postmenstrual age; MRI, magnetic resonance imaging; SD, standard deviation.