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. 2006 Jan 14;132(5):327–331. doi: 10.1007/s00432-005-0071-7

Table 2.

Summary of the frequencies of favorable and unfavorable GSTM1 and CYP1A1 genotypes in the study populations

Groups GSTM1 genotypesa (%) CYP1A1 genotypes (%) Combined GSTM1/CYP1A1 genotypes (%) Total
GSTM1(+) GSTM1(-) CYP1A1*2 non-carriers CYP1A1*2 carriers GSTM1(+) CYP1A1*2 non-carriers GSTM1(-) CYP1A1*2 non-carriers GSTM1(+) CYP1A1*2 carriers GSTM1(-) CYP1A1*2 carriers
ED 137 (55.7) 109 (44.3) 196 (79.7) 50 (20.3) 106 (43.1) 90 (36.6) 31 (12.6) 19 (7.7) 246 (100)
HD 94 (46.1) 110 (53.9) 161 (78.9) 43 (21.1) 77 (37.7) 84 (41.2) 17 (8.3) 26 (12.7) 204 (100)
All LC patients 67 (47.5) 74 (52.5) 104 (73.8) 37 (26.2) 49 (34.8) 55 (39.0) 18 (12.8) 19 (13.5) 141 (100)
SCC LC patients 31 (44.3) 39 (55.7) 45 (64.3) 25 (35.7) 20 (28.6) 25 (35.7) 11 (15.7) 14 (20.0) 70 (100)
Non-SCC LC patients 36 (50.7) 35 (49.3) 59 (83.1) 12 (16.9) 29 (40.9) 30 (42.3) 7 (9.9) 5 (7.0) 71 (100)

aGSTM1 genotypes are designated as GSTM1(-) for the null and GSTM1(+) for the non-null