Table 2. Technical information.
| Variables | Group A (n=141) | Group B (n=96) | P value |
|---|---|---|---|
| Operation time, min (median, range) | 20 [3–48] | 18 [6–42] | 0.8511 |
| Number of adjust times in CT-scanning, n (median, range) | 3 [0–15] | 3 [1–11] | 0.7511 |
| Distance between skin entry point and target lesion, mm (mean ± SD) | 65.7±19.1 | 67.1±19.0 | 0.5852 |
| Technical success rate, n (%) | 141 (100.0) | 96 (100.0) | – |
| Technical efficacy rate, n (%) | 131 (92.9) | 87 (90.6) | 0.5253 |
1, Mann-Whitney U test; 2, independent t-test; 3, Chi-square test/Fishers’ exact test.