Effectiveness and Safety of High-Power Radiofrequency Ablation Guided by Ablation Index for the Treatment of Atrial Fibrillation

Table 3

Clinical characteristics.

Variable	Study group; High-power ()	Control group; Standard power ()	value
Age, y			0.862
Male	34 (68)	32 (64)	0.673
LV ejection fraction, %			0.08
Left atrial size, mm			0.147
Hypertension	22 (44)	26 (52)	0.423
Diabetes mellitus	6 (12)	8 (16)	0.564
Body mass index			0.749
Prior stroke/transient ischemic attack	8 (16)	10 (20)	0.603
Coronary artery disease	14 (28)	12 (24)	0.648
CHADS2 score			0.504
CHA2DS2-VASC score			0.474
Obstructive sleep apnea	6 (12)	7 (14)	0.766
Dilated cardiomyopathy	3 (6)	3 (6)	1

Data are presented as or (%).