Table 3.
Final volume reduction rate according to group
| Group |
|||
|---|---|---|---|
| 1 | 2 | 3 | |
| No. | 29 | 15 | 46 |
| Initial volume, mean±SD (range) (mL) | 23.3±21.5 (1.5‒90.1) | 14.1±13.4 (1.7‒56.0) | 8.7±9.5a) (1.6‒61.8) |
| IAR (%) | 81.1 | 82.8 | 94.5a) |
| Session | 2.6a) (2-6) | 1 | 1 |
| F/U (month) | 68.5 | 64.9 | 65.9 |
| Final Vt | 2.5±2.9 | 8.1±8.1a) | 0.9±2.6 |
| VRR | 84.6±19.0 | 39.8±43.5a) | 92.8±10.0 |
| No. of cases with Vv increaseb) | 25 | 15 | 0 |
| No. of cases with regrowthc) | 15 | 10 | 0 |
SD, standard deviation; IAR, initial ablation ratio; F/U, follow-up period; Vt, total volume; VRR, volume reduction rate; Vv, viable volume.
a)
Significantly different between the indicated group and the other two groups.
b)
The number of nodules that showed a Vv increase by more than 50% compared to the previously reported smallest Vv.
c)
The number of nodules that showed a Vt increase by more than 50% compared to the previously reported smallest Vt.