ROC curve analysis demonstrating most sensitive and specific cut-off point for QOL [(A) physical component score (PCS), (B) mental component score (MCS), (D) Atrial Fibrillation Effect on QualiTy-of-life (AFEQT)] and symptom severity scores [Canadian Cardiovascular Society Severity in Atrial Fibrillation (CCS-SAF)] 12 months post-ablation to differentiate recurrent and non-recurrent patients. The figures demonstrate area under curve (AUC), sensitivity, specificity, and cut-off points.