Table 1 Age distribution of study population of people admitted to hospital with head injury: number and percentage of people in each age group at time of admission.

Age group (years)	Head injury
	No	%
0–4	15620	14.1
5–9	14508	13.1
10–14	12927	11.7
15–19	17064	15.4
20–24	11782	10.6
25–34	11653	10.5
35–44	7281	6.5
45–54	5786	5.2
55–64	5020	4.5
65 +	9352	8.4
Total	110 993	100