Table 3

Standardised mortality ratios for suicide as a function of diagnosis and age at injury

Diagnosis age	No of cases	Observed No of years	Cumulative expected frequency	Observed frequency	Standardised mortality ratio	95% CI
Concussion:
<21	49570	473235	47.53	102	2.17	1.77–2.61
21–40	38225	305224	90.44	359	3.97	3.58–4.40
41–60	19334	141070	62.00	201	3.24	2.82–3.72
>60	18985	107016	47.95	88	1.84	1.49–2.26
Fracture:
<21	2535	25824	2.26	3	1.33	0.43–4.12
21–40	2036	16590	5.27	20	3.79	2.44–5.88
41–60	1503	11369	5.20	14	2.69	1.59–4.55
>60	1486	8978	4.38	9	2.06	1.07–3.95
Lesion:
<21	2879	25816	3.17	11	3.47	1.92–6.27
21–40	3308	24244	7.50	35	4.67	3.35–6.50
41–60	2444	15130	6.96	36	5.17	3.73–7.17
>60	3135	13914	6.82	17	2.49	1.55–4.01