P-wave duration and atrial fibrillation recurrence after catheter ablation: a systematic review and meta-analysis.

Europace · 2023 · PMC9935015 · PMID 36413611

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failed to reach significanceno p-value reported

14 but failed to reach significance in the study by Caldwell et al . 6 A later study by Nakatani et al . 20 though argued that the coefficient of variation for the PWD (>0.08), calculated by dividing the standard deviation by the mean PWD value, has the highest predictive accuracy among P-wave parameters in predicting AFr in PAF patients.

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