Table 2.
Features of all included HCC nodules (n = 331) treated with thermal ablation.
| Nodules n = 331 |
MWA n = 106 |
RFA n = 225 |
p Value |
|---|---|---|---|
| Diameter, median mm (IQR) | 29 (20–35) | 20 (15–25) | <0.001 |
| Diameter | |||
| • ≤14 mm, n (%) | 5 (4.7) | 48 (21.3) | <0.001 |
| • 15–20 mm, n (%) | 22 (20.8) | 81 (36) | |
| • 21–35 mm, n (%) | 56 (52.8) | 91 (40.4) | |
| • ≥36 mm, n (%) | 23 (21.7) | 5 (2.2) | |
| Infiltrative nodules, n (%) | 4 (3.8) | 3 (1.3) | 0.384 |
| Complex position, n (%) | 23 (21.7) | 56 (24.9) | 0.582 |
| Poor US visibility, n (%) | 8 (7.5) | 34 (15.1) | 0.075 |
MWA = microwave ablation; RFA = radiofrequency ablation; US = ultrasonography.