Fig. 4

The proportion of post-infarct LVSD in DM patients in the high glycaemic gap group and low glycaemic gap group at baseline and 6-month follow-up (a). The proportion of post-infarct LVSD in DM patients in the high ABG group and low ABG group at baseline and 6-month follow-up (b). LVSD left ventricular systolic dysfunction, DM diabetes mellitus, ABG admission blood glucose. Post-infarct LVSD was defined as LVEF ≤ 50% after infarction