MUC4 and diabetes mellitus: The effects of four MUC4 polymorphisms (rs882605 G>T, rs1104760 A>G, rs2688513 A>G, and rs2246901 A>C) on CRC risk were evaluated and age, sex, hypertension, diabetes mellitus, body mass index (BMI), and high-density lipoprotein cholesterol (HDL-C) levels were adjusted (Table 2).