Fig. 3

Incremental prognostic value of ≥ 2 significant biomarkers over the CHA2DS2-VASc score. *category-free NRI. The significant biomarkers were RDW ≥ 13.5%, creatinine ≥ 1.11 mg/dL, and PDW ≥ 13.2%. IDI integrated discrimination improvement; NRI net reclassification index; PDW platelet distribution width; RDW red cell distribution width