Fig. 2From: Effectiveness of a new cardiac risk scoring model reclassified by QRS fragmentation as a predictor of postoperative cardiac event in patients with severe renal dysfunctionIncremental value of fQRS as determined by a logistic regression model. fQRS added value to RCRI and to the RCRI/Age per year combination. fQRS = fragmented QRS complex, RCRI = Revised Cardiac Risk IndexBack to article page