(A) Correlation analysis between serum ALT and brachial artery diameter in the NAFLD group showed that there was a statistically significant difference (r=0.311, P<0.05). (B and C) There was a statistically significant difference in the correlation between HOMA-IR and HOMA-β indexes and brachial artery diameter in both groups (r=−0.128, r=0.219, P<0.05). (D and E) There was a statistically significant difference in the correlation between hs-CRP and brachial artery diameter in both groups (r=−0.312, P<0.05); TNF-α had no correlation with brachial artery diameter, and the difference was not statistically significant (r=3.286, P>0.05). ALT, alanine aminotransferase; NAFLD, non-alcoholic fatty liver disease; HOMA-IR, homeostasis model assessment-insulin resistance; hs-CRP, high-sensitivity C-reactive protein; TNF-α, tumor necrosis factor-α.