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ROC curve for GPALS and risk of recurrence after cardioversion in subjects with PnVAF and LSPnVAF. A cut-point of GPALS ≤ 10.75% identifies recurrence with S 85%, E 99%, PPV 85%, NPV 90%, LR+ 8.5 and LR− 0.17. GPALS global peak atrial longitudinal strain, PnVAF persistent non-valvular AF, LSPnVAF long standing persistent non-valvular AF, PPV positive predictive value, NPV negative predictive value, LR+ positive likelihood ratio, LR− negative likelihood ratio
