Table 2.
Analysis of possible risk factors associated with viable tumor cells attached to needle applicators of 89 applications
| Risk factors | Vital tumor cells | P |
|---|---|---|
| Age (year) | ||
| >65 | 13/42 | 0.434 |
| <65 | 7/33 | |
| Gender | ||
| M | 11/45 | 0.605 |
| F | 9/30 | |
| Subcapsular | ||
| Yes | 15/47 | 0.637 |
| No | 10/38 | |
| Missing | 1/4 | |
| Type of tumor | ||
| HCC | 4/18 | 0.57 |
| Metastasis | 22/71 | |
| Differentiation of primary tumor | ||
| Good | 0/1 | 0.897 |
| Moderate | 17/55 | |
| Poor | 2/6 | |
| Missing | 0/1 | |
| HCC | 7/26 | |
| Needle applicator | ||
| Radiotherapeutics | 17/29 | 0 |
| RITA | 3/16 | |
| Radionics | 3/28 | |
| Laser | 3/16 | |
| Tumor size | ||
| >4 cm | 10/32 | 0.81 |
| <4 cm | 16/57 | |
| Approach | ||
| Open | 22/61 | 0.045 |
| Percutaneous | 4/28 | |
| Track ablation | ||
| Yes | 9/58 | 0 |
| No | 17/31 | |