From: Comparison of tissue pressure and ablation time between the LeVeen and cool-tip needle methods
 | LeVeen needle | Cool-tip needle | |
---|---|---|---|
 | Single-step | Multi-step |  |
Number | 13 | 14 | 13 |
Sex (male/female) | 9/4 | 10/4 | 8/5 |
Age | 55.8 ± 2.7 | 56.7 ± 2.5 | 54.1 ± 3.3 |
Child A/Child B | 10/3 | 11/3 | 9/4 |
Tumor location (r/l lobe) | 11/2 | 10/4 | 10/3 |
Tumor size (mm) | 22.0 ± 2.3 | 21.5 ± 1.9 | 20.8 ± 3.1 |
Ablation time (min) | 22.1 ± 1.9 | 10.9 ± 2.5 b, c | 15.4 ± 1.1 b |
Ablated "area" (mm) | 32.1 ± 2.6 | 34.2 ± 2.7 | 35.8 ± 3.7 |
Scattered recurrence a | 1 | 0 | 2 |