Table 2.

Clinical characteristics

Characteristic	Feeding Intolerance (n=257)	Necrotizing Enterocolitis (n=69)	p-value
Length of Stay (days); median (interquartile range)	69 (47–93)	79.5 (34.7–124.7)
Length of stay in survivors (days)	69 (47–93)	105 (34.7–142)	<0.01
Died - n (%)	17 (6.6)	23 (33.3)	<0.0001
Presentation
Pre-feed Residuals - n (%)	197 (76.6)	42 (60.9)	<0.01
Abdominal Distention - n (%)	221 (86)	61 (88.5)
Frank bleeding per Rectum - n (%)	0	19 (27.5)	<0.0001
Other (apnea, respiratory distress, acidosis) - n (%)	0	43 (62.3)	<0.0001
Radiological Signs
Pneumatosis - n (%)	0	60 (87)
Fixed Bowel Loop - n (%)	0	10 (14.5)
Free Intraperitoneal Air - n (%)	0	11 (16)
Portal Venous Gas - n (%)	0	11 (16)
Surgery
Exploratory laparotomy - n (%)	Not applicable	36 (52.1)
Peritoneal drain - n (%)	Not applicable	16 (23.2)