Table 1.
Predictors of Survival After Radiofrequency Ablation
| Characteristic | Univariate | Multivariate | ||
|---|---|---|---|---|
| HR | P Value | HR | P Value | |
| Male/female | 1.02 (0.74‐1.39) | 0.891 | 1.19 (0.86‐1.67) | 0.293 |
| Age <65 years | 1.40 (1.03‐1.90) | 0.029 | 1.42 (1.03‐1.98) | 0.031 |
| HCV | 1.79 (0.83‐4.48) | 0.145 | 1.24 (0.88‐1.79) | 0.218 |
| Child‐Pugh class A/B | 0.31 (0.23‐0.43) | <0.001 | 0.31 (0.22‐0.43) | <0.001 |
| ALBI grade | ||||
| 1/2 | 0.48 (0.34‐0.66) | <0.001 | ||
| 2/3 | 0.31 (0.16‐0.70) | 0.007 | ||
| AFP >100 ng/mL | 1.29 (0.88‐1.84) | 0.178 | 1.15 (0.79‐1.66) | 0.443 |
| No‐touch procedure | 0.57 (0.35‐0.88) | 0.011 | 0.74 (0.44‐1.19) | 0.219 |
| Safety margin >5 mm | 0.73 (0.55‐0.97) | 0.037 | 0.95 (0.69‐1.33) | 0.802 |
| Coverage of the entire blood drainage area | 0.63 (0.48‐0.84) | 0.002 | 0.70 (0.49‐0.98) | 0.038 |
| Tumor diameter <2 cm | 1.19 (0.88‐1.61) | 0.256 | 0.94 (0.69‐1.29) | 0.701 |
| Single tumor | 0.71 (0.16‐12.51) | 0.747 | 0.58 (0.13‐10.31) | 0.622 |
| Surface | 1.19 (0.90‐1.58) | 0.226 | 1.12 (0.83‐1.52) | 0.442 |
| Major vessel involvement | 0.81 (0.52‐1.21) | 0.316 | 0.99 (0.65‐1.57) | 0.961 |
Abbreviations: AFP, alpha‐fetoprotein; HCV, hepatitis C virus.