Table 2. GSTM1 and GSTT1 phenotype frequencies in patient and control groups.
Phenotypes | Patients/(200) N (%) | Controls (182) N (%) | OR | 95%CI | P |
---|---|---|---|---|---|
GSTM1 | |||||
non-null (+/+, +/-) | 96 (48) | 120 (65.9) | |||
null (-/-) | 104 (52) | 62 (34.1) | 2.1 | 1.39-3.17 | 0.0004 |
GSTT1 | |||||
non-null (+/+, +/-) | 154(77) | 153 (84.1) | |||
null (-/-) | 46 (23) | 29 (15.9) | 1.57 | 0.94-2.64 | 0.08 |
N: number of subjects; OR: odds ratio; 95%CI: 95% confidence interval; P: probability