Efficacy of ethanol ablation according to the number of treatment sessionsa
| No. of Sessions | Single Session (n = 9) | Multiple Sessions (n = 11) | P Value |
|---|---|---|---|
| Initial volume | 21.3 ± 15.8 | 30.6 ± 15.3 | .160 |
| Symptom score | 8.1 ± 2.2 | 10.0 ± 0.0 | .011 |
| Cosmetic score | 3.9 (3–4) | 4.0 (4) | .710 |
| Final volume (VRR) | 1.3 ± 1.3 | 1.1 ± 1.1 | .487 |
| P value | .028 | .018 | |
| Symptomatic score | 0.4 (0–1) | 0.5 (0–2) | .809 |
| P value | .017 | .004 | |
| Cosmetic score | 1.2 (1–2) | 1.2 (1–2) | .827 |
| P value | .009 | .003 |
Note:—VRR indicates volume reduction rate.
↵a Data are means unless otherwise indicated. Range is shown in parentheses.