Table 3.

Standardized Mortality Ratios (SMRs) for All Causes, Natural Causes, and Unnatural Causes of Death^a

	All Causes				Natural Causes				Unnatural Causes
	Observed Deaths	Expected Deaths	SMR	95% CI	Observed Deaths	Expected Deaths	SMR	95% CI	Observed Deaths	Expected Deaths	SMR	95% CI
Total	39	10.8	3.6	2.6–4.9	15	9.1	1.7	1.0–2.7	21	1.6	13.3	8.7–20.4
Study center
London	23	6.7	3.5	2.3–5.2	9	5.6	1.6	0.8–3.1	13	0.9	14.0	8.2–24.2
Nottingham	16	4.2	3.8	2.3–6.2	6	3.5	1.7	0.8–3.8	8	0.7	12.2	6.1–24.4
Sex
Women	11	3.9	2.8	1.6–5.1	6	3.6	1.7	0.7–3.7	4	0.3	14.5	5.4–38.7
Men	28	6.9	4.1	2.8–5.9	9	5.5	1.6	0.9–3.2	17	1.3	13.0	8.1–20.9
Age band
16–29 years	7	1.0	7.4	3.5–15.5	0	0.4	0	—	7	0.5	13.2	6.3–27.8
30–44 years	18	3.1	5.8	3.7–9.2	5	2.3	2.2	0.9–5.3	11	0.8	14.4	8.0–26.1
45–59 years	8	3.3	2.5	1.2–4.9	6	3.0	2.0	0.9–4.5	2	0.2	9.1	2.3–36.6
60–74 years	6	3.5	1.7	0.8–3.8	4	3.5	1.2	0.4–3.1	1	0.1	13.6	1.9–96.8

Note: ^aIndirectly standardized to the age band, sex, and center-specific stratum rates for the population at-risk in Southeast London and Nottinghamshire; SMRs > 1 indicate the magnitude of excess mortality in people with first-episode psychosis.