Table 3. Subgroup analysis comparing NEC stage I to other stages of NEC.

Variables	NEC stage In=8	NEC other stagesn=15	P value
Length of ICU stay (days), median (IQR)	17 (9.5–33.3)	31 (19–44)	0.451
Length of hospital stay (days), median (IQR)	48.5 (20.7–86.0)	69 (40–143)	0.097
Age at surgery (days), median (IQR)	13.5 (7.2–27.2)	18 (7–26.7)	0.977
Death, n (%)	4 (50)	4 (26.7)	0.210

ICU, intensive care unitNECnecrotising enterocolitis