Fig. 3

Relationships between the pSMI and MACEs. A Penalized spline curve in patients (unadjusted). B Penalized spline curve in patients with fully adjusted variables (previous AMI, previous PCI, previous stroke, heart failure, atrial fibrillation, COPD, diabetes mellitus, BNP, uric acid, HbA1c, LVEF, MVD, and diuretics). CI, confidence interval