Continuous variables are expressed as the mean±SD or median and interquartile range (IQR) if nonnormally distributed. Categorial variables are presented as numbers (percentages). Abbreviations: AF, atrial fibrillation; ICD, implantable electronic device; ACEI, angiotensin-converting enzyme inhibitor; ARB, angiotensin receptor blocker; CCB, calcium channel blocker; OACs, oral anticoagulants; NOACs, nonvitamin K antagonist oral anticoagulants; eGFR, estimated glomerular filtration rate; LAD, left atrium diameter; LVEF, left ventricular ejection fraction; LAD, left atrial diameter; LVDd, left ventricular diastolic diameter.
Table 2. Univariate and multivariate Cox regression to identify factors associated with improved renal function in AF patients with mild renal dysfunction after RFCA.