MMP9 and diabetes mellitus: The predictive accuracy of the proposed model, to include DM, smoking, total cholesterol, glycemia on admission, LVEF < 40%, the composite of acute phase complications, hsCRP, I-CAM and MMP-9, was characterized by the following statistical parameters: AUC: 0.773 (95%CI: 0.68–0.86), standard error: 0.04, p < 0.0001, negative predictive power: 80.5%, positive predictive power: 73.0%.