| Characteristics | Radiofrequency ablation | P | |
| Peridiaphragmatic (n = 21) | Nonperidiaphragmatic (n = 21) | ||
| Age (years) | 0.23 | ||
| Mean ± SD | 58 ± 10.5 | 61 ± 12.3 | |
| Range | 43 - 81 | 27 - 81 | |
| Sex (no.) | 0.51 | ||
| Male | 16 | 13 | |
| Female | 5 | 8 | |
| MELD score | 0.11 | ||
| Mean ± SD | 12.2 ± 4.1 | 10.3 ± 3.0 | |
| Range | 6.5 - 20.1 | 6.4 - 18.4 | |
| Tumor size (cm) | 0.11 | ||
| Mean ± SD | 3.6 ± 1.5 | 2.9 ± 1.2 | |