Although the PVI + LVA-ABL group demonstrated a numerically higher rate of freedom from AF or AT recurrence compared with the PVI-alone group (61% (95% confidence interval (CI) = 53–68%) versus 50% (95% CI = 42–57%)), this difference did not reach statistical significance ( P for log(rank) test = 0.127).
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Low-voltage-area ablation for persistent atrial fibrillation: a randomized controlled trial.
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