Letter to the Editor
Copyright ©The Author(s) 2021.
World J Methodol. Jul 20, 2021; 11(4): 228-230
Published online Jul 20, 2021. doi: 10.5662/wjm.v11.i4.228
Figure 1
Figure 1 Direct and indirect comparisons across three first-line treatments for patients with paroxysmal atrial fibrillation. The comparisons of radiofrequency vs medical therapy and cryoballoon vs medical therapy are based on three[4-6] and two trials[7,8], respectively.