Table 1.

Hospital participation in the survey according to CT protocols and age groups

	Number of hospitals providing information for protocols of
Age group	Head	Chest	HRCT-chest	Abdominal	Pelvic
Adult	95	96	89	96	95
10–15 years	113	113	95	113	105
5–10 years	114	114	92	114	99
1–5 years	110	110	88	110	96
<1 year	122	121	92	121	104

CT, computed tomography; HRCT-chest; high-resolution computed tomography of the chest.