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Shihui Fu,1,2,* Shanjing Zhou,3,* Leiming Luo,1 Ping Ye1 1Department of Geriatric Cardiology, 2Department of Cardiology and Hainan Branch, 3Department of Traditional Chinese Medicine and Hainan Branch, Chinese People’s Liberation Army General Hospital, Beijing, People’s Republic of China *These authors contributed equally to this work Background: This analysis was carried out to refine the CHADS2 and CHA2DS2VASc scores by combining creatinine clearance (CrCl) and glomerular filtration rate (GFR) and evaluate the performance of CrCl-based and GFR-based schemes in death risk stratification of Chinese older patients with atrial fibrillation (AF).Methods: There were 219 older patients with AF, and all-cause mortality was assessed during the follow-up of 1.11 years. Renal function was evaluated using the CrCl formula and different GFR (Modification of Diet in Renal Disease [MDRD], Chinese MDRD [CMDRD], Mayo Clinic Quadratic [Mayo] and Chronic Kidney Disease Epidemiology Collaboration [CKD-EPI]) formulas, and five kinds of R2CHADS2 and R2CHA2DS2VASc schemes were generated by combining CrCl and GFR with CHADS2 and CHA2DS2VASc scores.Results: In Cox regression multivariate analysis, CrCl |
