Table 4.
Reclassification table for SNP × IBIS risk versus IBIS risk in African American women
| IBIS 5-year risk | SNP risk × IBIS 5-year risk | |||
|---|---|---|---|---|
| <1.5 % | 1.5–2.0 % | >2.0 % | Total | |
| <1.5 % | ||||
| Women | 3503 | 1088 | 605 | 5196 |
| Cases | 185 | 54 | 52 | 291 |
| Controls | 3318 | 1034 | 553 | 4905 |
| Proportion of cases | 0.053 | 0.050 | 0.086 | 0.056 |
| 1.5–2.0 % | ||||
| Women | 469 | 491 | 808 | 1768 |
| Cases | 19 | 26 | 51 | 96 |
| Controls | 450 | 465 | 757 | 1672 |
| Proportion of cases | 0.041 | 0.053 | 0.063 | 0.054 |
| >2.0 % | ||||
| Women | 52 | 82 | 323 | 457 |
| Cases | 4 | 4 | 21 | 29 |
| Controls | 48 | 78 | 302 | 428 |
| Proportion of cases | 0.077 | 0.049 | 0.065 | 0.063 |
| Total | ||||
| Women | 4024 | 1661 | 1736 | 7421 |
| Cases | 208 | 84 | 124 | 416 |
| Controls | 3816 | 1577 | 1612 | 7005 |
| Proportion of cases | 0.052 | 0.051 | 0.071 | 0.056 |
NRI 0.060 (95 % CI 0.005, 0.113)
Z = 0.06, P = 0.9