Table 2. Proportion of suspected infections treated with antimicrobial therapy confirmed by growth on culture.

Type of suspected infection treated with antimicrobial therapy	Culture site	Growth on culture/Total episodes of treatment (%)
		<48 hours PICU admission	≥48 hours PICU admission	Total
Blood stream	Blood culture	7/19 (37)	2/2 (100)	9/21 (43)
Central nervous system	Cerebrospinal fluid	0/29 (0)	0/1 (0)	0/30 (0)
Intra-abdominal	Aspirate of collection	0/3 (0)	0/0 (0)	0/3 (0)
Line	Line tip	0/0 (0)	3/3 (100)	3/3 (100)
Lower respiratory	Tracheal aspirate	9/52 (17)	4/7 (57)	13/59 (22)
Soft tissue	Wound swab	0/2 (0)	0/1 (0)	0/3 (0)
Total		16/105 (15)	9/14 (64)

PICU, paediatric intensive care unit.