PPARG and colorectal carcinoma: Overall, a significant association was identified between PPARG rs1801282 C>G polymorphism and decreased risk of CRC (G vs. C: OR = 0.94, 95% CI = 0.89–1.00, P = 0.040; GG+CG vs. CC: OR = 0.92, 95% CI = 0.84–0.99, P = 0.032, Figure 2).