From: Association of CYP1A1, GSTM1 and GSTT1 gene polymorphisms with risk of non-small cell lung cancer in Andhra Pradesh region of South India
Genotype
Lung cancer (n = 246)
Controls (n = 250)
χ2
OR (95Â % CI)
p value
N (%)
GSTM1 (+/+)
182 (73.98)
187 (76.0)
1
Reference
GSTM1 (−/−)
64 (26.1)
63 (24.0)
0.04
1.04 (0.69, 1.56)
0.83