Table 3. Outcomes of RFA and EA Patient Groups at 6 Months after Treatments According to Per-Protocol Analysis.

Outcome	Radiofrequency Ablation (n = 21)	Ethanol Ablation (n = 25)	P
Primary outcome
Volume reduction (%)	87.1 ± 11.6 (63.1-99.5)	83.1 ± 28.7 (-35.7-99.2)	0.904
Secondary outcomes
Symptom score	0.2 ± 0.4 (0-1)	0.7 ± 1.3 (0-6)	0.280
Cosmetic score	1.5 ± 0.5 (1-2)	1.6 ± 0.9 (1-4)	0.901
Therapeutic success (%)	100 (21/21)	92 (23/25)	0.493
Major complications	0/21	1/25	> 0.99

Values are means ± standard deviations (with ranges), except for major complications. EA = ethanol ablation, RFA = radiofrequency ablation