Odds ratios for developing colorectal cancer in Han Chinese. Possession of the A allele reduced the risk by 41%
GenotypeControls (%)Cases (%)OR (95%CI)
    CC482 (42.2)160 (53.7)1.00 (referent)
    CA532 (46.6)106 (35.6)0.56 (0.42,0.75)
    AA128 (11.2)32 (11.7)0.68 (0.43,1.07)
    CA + AA vs CC0.59 (0.45,0.77)