Table 1.

Demographic data

	Number
Total population recruited	100
Age in months
Median	33.8
Range	0-180
Males	63
Diagnosis
Respiratorya	48
Sepsis	18
Otherb	25
Controlc	9
Shock on admission	34
Died before discharge	10

^aIncludes eight patients with respiratory syncytial virus bronchiolitis. ^bIncludes seven patients with primary neurological failure and four patients with primary cardiac failure. ^cPost-operative elective admission. Patients may fall into more than one category.