Table 3.

Median shift of length of stay for each diagnosis.

Diagnosis	Wilcoxon Median Shift (days)	95% CI
Intestinal obstruction	22	9, 35
Ventriculoperitoneal shunt (VPS)	42	29, 59
Chronic Lung Disease (CLD)	38	37, 39
Intestinal perforation (Perf)	21	14, 27
Retinopathy of Prematurity (ROP)	25	24, 26
Patent Ductus Arteriosus (PDA)	23	22, 24
Post-haemorrhagic ventriculomegaly (VM)	13	10, 17
Necrotizing Enterocolitis (NEC)	12	10, 14
Meningitis	12	6, 20
Late onset sepsis	16	15, 17
Feeding difficulties	8	7, 10
Pneumonia	14	11, 17
Grade >2 Intraventricular Haemorrhage (sIVH)	7	4, 9
Acute Kidney Injury (AKI)	14	8, 20
non-NEC Colitis (Colitis)	2	−3,6