Table 3.
CYP1A1 genotype frequencies observed.
| Controls | Cases | ||||
|---|---|---|---|---|---|
| CYP1A1 genotype | N (%) | CI | N (%) | CI | ξ p |
| *1/*1 | 189 (71.3) | 65.5-76.7 | 68 (66.0) | 55.9-75.1 | 0.371 |
| *1/*2A | 44 (16.6) | 12.3-21.7 | 10 (9.7) | 2.6-8.7 | 0.102 |
| *1/*2B | 7 (2.6) | 1.1-5.4 | 11 (10.7) | 2.7-9.4 | < 0.01 |
| *1/*2C | 1 (0.4) | 0-2.1 | 1 (1.0) | 0-5.3 | nc |
| *1/*3 | 2 (0.7) | 0.1-2.7 | 1 (1.0) | 0-5.3 | nc |
| *1/*4 | 20 (7.6) | - | 9 (8.7) | 4.1-15.9 | 0.829 |
| *2A/*4 | 1 (0.4) | 0-2.1 | 1 (1.0) | 0-5.3 | nc |
| *2B/*3 | 0 (0) | - | 1 (1.0) | 0.5.3 | nc |
| *4/*4 | 1 (0.4) | 0-2.1 | 1 (1.0) | 0.5.3 | nc |
| Total | 265 | 103 |
Because of rounding, percentages may not total 100.
N: Number of subjects
nc: non-calculable
ξ Pearson's χ2 analysis