Table 3.
Reclassification table for SNP × Gail risk versus Gail risk in African American women
| Gail 5-year risk | SNP risk × Gail 5-year risk | |||
|---|---|---|---|---|
| <1.5 % | 1.5–2.0 % | >2.0 % | Total | |
| <1.5 % | ||||
| Women | 2178 | 1115 | 757 | 4050 |
| Cases | 94 | 41 | 60 | 195 |
| Controls | 2084 | 1074 | 697 | 3855 |
| Proportion of cases | 0.043 | 0.037 | 0.079 | 0.048 |
| 1.5–2.0 % | ||||
| Women | 683 | 779 | 1130 | 2592 |
| Cases | 35 | 41 | 76 | 152 |
| Controls | 648 | 738 | 1054 | 2440 |
| Proportion of cases | 0.051 | 0.053 | 0.067 | 0.059 |
| >2.0 % | ||||
| Women | 45 | 99 | 635 | 779 |
| Cases | 1 | 6 | 62 | 69 |
| Controls | 44 | 93 | 573 | 710 |
| Proportion of cases | 0.022 | 0.061 | 0.098 | 0.089 |
| Total | ||||
| Women | 2906 | 1993 | 2522 | 7421 |
| Cases | 130 | 88 | 198 | 416 |
| Controls | 2776 | 1905 | 2324 | 7005 |
| Proportion of cases | 0.045 | 0.044 | 0.079 | 0.056 |
NRI 0.033 (95 % CI −0.025, 0.089)
Z = 0.03, P = 1.0