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Table 4 Correlation between GSTM1, GSTT1, CYP1A1 genotypes and different Gleason scores

From: Association of CYP1A1, GSTM1 and GSTT1 gene polymorphisms with risk of prostate cancer in Algerian population

Polymorphism Gleason score OR/CI P value
GS ≤ 7 GS > 7
(n = 37) (n = 64)
GSTM1
M+ 17 (45.94%) 26 (40.62%) 0.89 [0.69–1.15] 0.40
M 20 (54.05%) 38 (59.38%)
GSTT1
T+ 26 (70.27%) 37 (57.81%) 0.91 [0.70–1.17] 0.47
T 11 (29.72%) 27 (42.19%)
GSTM1/GSTT1
Both present 13 (35.14%) 17 (26.57%)   
Either null 17 (45.94%) 29 (45.31%) 0.92 [0.71–1.18] 0.52
Both null 7 (18.92%) 18 (28.12%) 0.87 [0.66–1.14] 0.31
CYP1A1
TT 29 (78.37%) 53 (82.21%) 0.78 [0.56–1.07] 0.13
TC 8 (21.63%) 11 (17.19%)