['To clarify the correlation between serum fetuin-A levels and the presence and severity of coronary artery disease (CAD) in patients with type 2 diabetes (T2DM).', 'A total of 241 consecutive patients with T2DM and 69 controls were recruited. Serum fetuin-A levels were analyzed by enzyme-linked immunosorbent assay. The presence and severity of CAD were evaluated by coronary angiography (CAG).', 'Serum fetuin-A levels are independently correlated with the presence and severity of CAD in T2DM patients.'] Are serum fetuin-A levels associated with the presence and severity of coronary artery disease in patients with type 2 diabetes?