Table 2.

Changes of volume and VRR at each follow-up after RFA

Time (months)	Volume (ml)	P value (vs initial volume)	VRR (%)
3	11.53 ± 16.88	0.005	62.81 ± 21.56
6	6.24 ± 8.74	0.002	74.83 ± 13.44
12	3.94 ± 5.70	0.003	81.65 ± 13.59
24	1.29 ± 1.17	0.018	85.42 ± 12.16

RFA: radiofrequency ablation