NAT1 allele frequency among postmenopausal breast cancer cases and controls
| NAT1 Allele | Cases (n = 154) | Controls (n = 328) | ||
|---|---|---|---|---|
| No. | Percent | No. | Percent | |
| NAT1 *3 | 5 | 1.6 | 20 | 3.0 |
| NAT1 *4 | 223 | 72.4 | 487 | 74.2 |
| “Wild-type” | 228 | 74.0 | 507 | 77.2 |
| NAT1 *14 | 4 | 1.3 | 13 | 2.0 |
| NAT1 *15 | 1 | 0.3 | 2 | 0.3 |
| NAT1 *17 | 3 | 1.0 | 7 | 1.1 |
| NAT1 *22 | 3 | 1.0 | 5 | 0.8 |
| “Low” | 11 | 3.6 | 27 | 4.2 |
| NAT1 *10 | 58 | 18.8 | 114 | 17.4 |
| NAT1 *11 | 11 | 3.6 | 8 | 1.2 |
| “Potential high” | 69 | 22.4 | 122 | 18.6 |
Adapted from Zheng et al., 1999.