Table 1. Characteristics of the ten cohorts studied in the five included trials.

Dataset	Cohort	Number of patients	Number of events
Andrade et al. 2021 [1]	Cryoballoon	154	66
	Medical therapy	149	101
Wazni et al. 2021 [2]	Cryoballoon	104	21
	Medical therapy	99	35
Morillo et al. 2014 [3]	Radiofrequency	66	36
	Medical therapy	61	44
Wazni et al. 2005 [4]	Radiofrequency	33	4
	Medical therapy	37	22
Kuniss et al. 2021 [5]	Cryoballon	107	15
	Medical therapy	111	33