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 = 226)
Controls (n = 210)
χ2
OR (95Â % CI)
p value
N (%)
GSTT1 (+/+)
200 (81.30)
224 (89.6)
1
Reference
GSTT1 (−/−)
46 (18.69)
26 (10.4)
6.86
1.98 (1.18, 3.32)
0.008*