Table 7.
Comparison of Proportions of Subjects in Low‐ (<5%), Medium‐ (5 to 20%), and High‐(>20%) Risk Categories, Presented Separately for SCD Events and Nonevents (SCD‐Free)
| Framingham CHD risk factors+ DTNPV1 | ||||
|---|---|---|---|---|
| <5% | 5 to 20% | ≥20% | Total | |
| Framingham CHD risk factors | ||||
| SCD events | ||||
| <5% | 135 | 3 (2.2%) | 138 | |
| 5% to 20% | 1 (2.6%) | 34 | 3 (7.8%) | 38 |
| ≥20% | 3 | 3 | ||
| Total | 136 | 37 | 6 | 179 |
| SCD non‐events | ||||
| <5% | 12 298 | 27 (0.22%) | 12 325 | |
| 5% to 20% | 35 (6.64%) | 485 | 7 (1.33%) | 527 |
| ≥20% | 1 (5.56%) | 17 | 18 | |
| Total | 12 333 | 513 | 24 | 12 870 |
CHD indicates coronary heart disease SDC, sudden cardiac death.