Table 1. Characteristics of 172 children with empyema, Australia, 2007–2009*.

Characteristic	Value
Median age, y (range)	3.9 (0.4–15.5)
Sex
M	93 (54.1)
F	79 (45.9)
Indigenous status
Aboriginal	8 (4.7)
Other	160 (93.0)
Not recorded	4 (2.3)
State/territory
Queensland	59 (34.3)
New South Wales	52 (30.2)
Victoria	37 (21.5)
Western Australia	16 (9.3)
South Australia	4 (2.3)
Tasmania	2 (1.2)
Australian Capital Territory	2 (1.2)
Northern Territory	0
Chronic respiratory diseases	7 (4.0)
Congenital diseases	3 (1.7)
Potentially immunocompromised	6 (3.5)
Cardiac disease	1 (0.6)

*Values are no. (%) unless otherwise indicated.