From: Linking insulin like growth factor-1 (IGF-1) rs6214 gene polymorphism and its serum level with risk of colorectal cancer
IGF-1 rs6214
Colorectal cancer (n = 80)
Control (n = 80)
χ2
p
CC®
12(15%)
50 (62.5%)
38.243*
< 0.001*
CT
28 (35%)
14 (17.5%)
TT
40 (50%)
16 (20%)
Allele
 C®
52 (32.5%)
114 (71.3%)
48.118*
 T
108 (67.5%)
46 (28.8%)