Table 1 Comparison of variables of the two groups before ablation
Laser guidance group | Freehand group | p | |
|---|---|---|---|
Gender (Male/Female) | 25/18 | 42/41 | 0.421 |
Age (years) | 61.4 ± 12.6 | 59.9 ± 12.9 | 0.288 |
History of lung surgery | 0.503 | ||
Yes | 17 | 38 | |
No | 26 | 45 | |
History of COPD | 0.496 | ||
Yes | 2 | 2 | |
No | 41 | 81 | |
History of malignant tumor | 0.759 | ||
Yes | 20 | 41 | |
No | 23 | 42 | |
CT nodule size (mm) | 13.86 ± 8.15 | 12.04 ± 6.01 | 0.328 |
CT image appearance of nodules | 0.475 | ||
SN | 28 | 47 | |
mGGN | 4 | 14 | |
pGGN | 11 | 22 | |
Location of nodules | 0.118 | ||
RUL | 9 | 24 | |
RML | 1 | 5 | |
RLL | 6 | 21 | |
LUL | 18 | 18 | |
LLL | 9 | 15 | |
Nodule depth from the pleura (mm) | 12.79 ± 10.35 | 13.17 ± 9.99 | 0.689 |
Location of nodules | 0.465 | ||
Central | 6 | 8 | |
Peripheral | 37 | 75 | |
Posture of patients | 0.173 | ||
Lateral | 8 | 19 | |
Supine | 25 | 34 | |
Prone | 10 | 30 |