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. 2018 Mar 26;41(1):35–40. doi: 10.1590/1678-4685-GMB-2017-0034

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