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Distribution of GSTT1 genotypes and allele frequencies (with standard errors) in age- and gender-matched controls. Assessment of HWE test in controls.
| GSTT1 Polymorphism | Controls (n = 143) |
|---|---|
| Genotypes | |
| GSTT1-present/GSTT1-present | 66 (46%) |
| GSTT1-present/GSTT1-absent | 61 (43%) |
| GSTT1-absent/GSTT1-absent | 16 (11%) |
| Allele Frequencies | |
| p[GSTT1-present] | 0.67 ± 0.042 |
| q[GSTT1-absent] | 0.33 ± 0.042 |
| Hardy-Weinberg Equilibrium (HWE) Test | |
| χ2 | 0.11 |
| P-value | NS (0.74) |
