Subjects in the highest HDL-C/apoA-I ratio tertile had lower FT3 levels (4.36 pmol/L vs. 4.73 pmol/L, P < 0.001), TSH levels (1.69 mIU/L vs. 2.02 mIU/L, P < 0.001) and CAD (71% vs. 79%, P = 0.204 as indicated in Table 1). Here, APOA1 is linked to coronary artery disorder.