Methods
Published studies were extracted from the MEDLINE until December 2014. A total of 229 patients, 120 for radiofrequency ablation and 109 for cryoballoon ablation, from 3 randomized trials were included in the meta-analysis.
Published studies were extracted from the MEDLINE until December 2014. A total of 229 patients, 120 for radiofrequency ablation and 109 for cryoballoon ablation, from 3 randomized trials were included in the meta-analysis.