In multivariable analysis: Coronary artery disease, chronic kidney disease, left ventricular diastolic dysfunctionshowed an independent association with left atrial volume in patients with non-valvular atrial fibrillation (β=2, 5 ± 0, 4 ml / m2, β=2, 9 ± 0, 3 ml / m2, β=2, 4 ± 0, 4 ml / m2, respectively).