TABLE 1.

Clinical findings and risk of sudden unexpected cardiac death (SUCD): Manitoba Follow-up Study, 1948–2004

						Time since detection of finding (RR [95% CI])
Clinical finding	Number (% of cohort)	Age (years), mean ± SD	Number with SUCD	Age-adjusted RR (95% CI)	Attributable risk	1 day to 5 years	Five to 10 years	Over 10 years
High heart rate	755 (19.0)	53.8±19.1	33	1.92 (1.31–2.82)	0.15	2.53 (1.24–5.19)	2.13 (0.87–5.22)	1.71 (1.07–2.75)
Overweight	1949 (48.9)	41.4±12.0	100	1.75 (1.29–2.38)	0.27	0.51 (0.12–2.08)	1.39 (0.64–3.04)	1.91 (1.39–2.62)
Obesity	635 (15.9)	48.7±13.1	34	1.61 (1.10–2.36)	0.09	0.79 (0.20–3.20)	2.80 (1.36–5.72)	1.52 (0.97–2.37)
Diabetes	395 (9.9)	63.2±11.0	19	2.14 (1.31–3.48)	0.10	2.43 (1.14–5.20)	0.86 (0.21–3.46)	2.74 (1.42–5.28)
Hypertension	1529 (38.4)	58.0±11.8	77	2.29 (1.66–3.16)	0.33	1.79 (1.02–3.16)	1.82 (1.01–3.28)	2.77 (1.90–4.04)
Isolated systolic hypertension	373 (9.4)	69.3±9.40	14	1.54 (0.87–2.72)	0.05	1.19 (0.44–3.23)	1.51 (0.55–4.12)	2.00 (0.86–4.64)
Pulse pressure	1824 (45.8)	60.8±12.9	80	2.07 (1.48–2.90)	0.29	1.55 (0.90–2.68)	2.14 (1.28–3.59)	2.40 (1.60–3.60)
Alcohol abuse	346 (8.7)	59.6±11.4	18	2.85 (1.74–4.66)	0.10	5.92 (3.19–10.96)	1.34 (0.33–5.42)	1.67 (0.68–4.09)
Stroke	431 (10.8)	70.2±10.5	14	1.99 (1.13–3.50)	0.10	2.85 (1.44–5.64)	1.68 (0.53–5.32)	0.95 (0.23–3.87)
Peripheral vascular disease	291 (7.3)	67.6±10.5	11	1.90 (1.02–3.54)	0.06	2.47 (1.08–5.62)	1.99 (0.63–6.30)	1.07 (0.26–4.35)