Table 1 Baseline characteristics of all included patients
Characteristics (n = 192) | |
|---|---|
Sex | Â |
 Male | 129(67.2%) |
 Female | 63(32.8%) |
Age (years) | Â |
 Mean ± SD | 62.1 ± 13.4 |
 Range | 18 ~ 86 |
Smoking history | Â |
 Yes | 29(15.1%) |
 No | 163(84.9%) |
Pulmonary emphysema | Â |
 Yes | 47(24.5%) |
 No | 145(75.5%) |
Lesion diameter (cm) | Â |
 Mean ± SD | 3.4 ± 2.2 |
 Range | 0.6 ~ 13.8 |
Lesion feature | Â |
 Solid | 164(85.4%) |
 Ground glass | 22(11.5%) |
 Cavity | 6(3.1%) |
Lesion location | Â |
 Right upper lobe | 39(20.3%) |
 Right middle lobe | 12(6.3%) |
 Right lower lobe | 49(25.5%) |
 Left upper lobe | 51(26.6%) |
 Left lower lobe | 41(21.4%) |
Patient position | Â |
 Supine | 72(37.5%) |
 Prone | 120(62.5%) |
Gelfoam | Â |
 Yes | 77(40.1%) |
 No | 115(59.9%) |
Pathology results | Â |
 Benign | 48(25.0%) |
 Malignant | 141(73.4%) |
 Insufficient material | 3(1.6%) |
Radiofrequency ablation | Â |
 Yes | 43(22.4%) |
 No | 149(77.6%) |
The number of samples extracted | Â |
 1 | 69(35.9%) |
 2 | 96(50.0%) |
 3 | 21(10.9%) |
 4 | 6(3.1%) |