Table I.
Demographic characteristics of the study samples
| Population cohorts | Autopsy studies | |||||||
|---|---|---|---|---|---|---|---|---|
| FINRISK 1992 | FINRISK 1997 | FINRISK 2002 | Health 2000a | HSDS | TASTY | |||
| n | 5,342 | 7,673 | 8,210 | 7,240 | 297 | 528 | ||
| Age at baseline, years, mean ± SD | 44.7 ± 11.4 | 48.7 ± 13.3 | 48.3 ± 13.1 | 55.6 ± 15.2 | 52.1 ± 9.5 | 63.2 ± 18.7 | ||
| Male, n (%) | 2,476 (46.3%) | 3,806 (49.6%) | 3,821 (46.5%) | 3,234 (44.7%) | 297 (100%) | 330 (62.5%) | ||
| Follow-up time, years, mean ± SDb | 16.2 ± 2.4 | 11.2 ± 1.9 | 6.7 ± 0.6 | 7.5 ± 1.6 | - | - | ||
| Person-years at riskb | 86,760 | 86,215 | 55,329 | 48,069 | - | - | ||
| n of probable SCDb | 109 | 139 | 58 | 84 | 114 | 96 | ||
| n of possible SCDb | 20 | 35 | 16 | 32 | 3 | 9 | ||
| n of unlikely SCDb | 343 | 465 | 172 | 337 | 178 | 287 | ||
| n with unknown cause of deathb | 16 | 57 | 7 | 20 | 2 | 5 | ||
a
Including the Mini-Finland Health Survey.
b
Excluding subjects aged >80 or <25 years at baseline.