Compared to the non-CHD group, the CHD group showed higher levels of family history of CHD, diabetic eye disease, statin drug therapy, serum sdLDL-C, LDL-C, apoB, TC and Lp(a) [41.70 (47.37) nmol/L vs. 37.97 (32.94) nmol/L, p < 0.001]. Here, APOB is linked to diabetic eye disease.