The genotype frequencies of PPARG rs1801282 C>G were 93.21% (CC), 6.53% (CG) and 0.26% (GG) in CRC patients, which were not significantly different from those in non-cancer controls (90.28% CC, 9.39% CG and 0.33% GG). This evidence concerns the gene PPARG and colorectal carcinoma.