The Association of Nil Per Os (NPO) Days with Necrotizing Enterocolitis

Table 1

Baseline demographics and clinical characteristics for the eligible cohort ().

Variables
Male : female	128 : 68
Gestational age (wk)	26.7 ± 3.8
Birth weight (g)	1013 ± 306
NPO (days)	5.6 ± 1.6
Bell’s stage ≥ stage 3	48 (24.5)
History of enteral feeding, (%)	152 (77.6)
Respiratory support, (%)	46 (23.5)
Probiotics, (%)	36 (12.8)
Age at diagnosis of NEC (days)	21 (5–35)
APGAR scores at 5 minutes	8.1 ± 1.3
SNAP-II scores	18.8 ± 12.6
Vasopressor use at enrollment, (%)	59 (30.1)