Table 6.

 Multivariate predictors of paediatric intensive care unit admission for respiratory support compared with hospital admission to the short stay unit

Variables	O.R.	C. I. 95%	p
Postnatal age < 30 days	8.382	2.352 (29.864)	0.001
Birth weight < 2.5 kg	1.910	0.452 (8.064)	0.378
RSV infection*	3.369	1.007 (11.270)	0.048
Lymphocytes < 3200/mm3	5.228	1.403 (19.471)	0.014
Pulmonary consolidation†	1.089	0.604 (1.963)	0.776
CRP > 0.8 mg/dL	3.151	0.930 (10.673)	0.651

P by regression analysis.

*Single or dual infection.

^†Multiple or dense infiltrates or lobar atelectasis.

C.I., confidence interval; O.R., odds ratio; CRP, C‐reactive protein; RSV, respiratory syncytial virus.