Table I.
Comparisons among different ablation parameters.
| Groups | Cases | Volume before ablation (cm3) | Volume after ablation | Volume of necrosis ablation | Complete ablation rate (%) | Usage volume of alcohol, ml | Radiofrequency energy (×103 J) |
|---|---|---|---|---|---|---|---|
| A | 35 | 15.5±3.3 | 1.5±0.8 | 13.8±4.2 | 30 (85.7) | 8.5±1.3 | 456.7±33.4 |
| B | 33 | 14.7±3.4 | 6.6±1.2 | 10.6±3.7 | 20 (60.6) | 8.2±1.5 | 432.6±45.2 |
| C | 32 | 15.3±3.5 | 7.2±1.5 | 10.5±3.8 | 20 (62.5) | 8.3±1.6 | 423.4±43.3 |
| F (χ2) | 0.632 | 6.926 | 6.524 | 6.360 | 0.423 | 0.938 | |
| P-value | 0.425 | 0.032 | 0.038 | 0.042 | 0.725 | 0.546 |
Group A, PEI was administered first and then RFA; group B, RFA was administered first and then PEI; group C, PEI and RFA were administered simultaneously. PEI, percutaneous ethanol injection; RFA, radiofrequency ablation.