Table 1.
Patients characteristics and lesion profiles (n = 194).
| Characteristics | n = 194 |
|---|---|
| Age (years) | |
| Mean ± SD (range) | 56.2 ± 13.7 (18~80) |
| Gender | |
| Male/female | 99/95 |
| Lesion size (cm) | |
| Mean ± SD (range) | 1.6 ± 0.4 (0.6~2.0) |
| Lesion location | |
| Left upper lobe | 31 |
| Left lower lobe | 49 |
| Right upper lobe | 47 |
| Right middle lobe | 14 |
| Right lower lobe | 53 |
| Presence of necrosis | |
| Yes/No | 40/154 |
| Patient position (%) | |
| Supine | 81 |
| Prone | 29 |
| Lateral | 84 |
| Emphysema on CT | |
| Yes/No | 17/177 |
| Needle size (gauge) | |
| 16/18 | 72/122 |
| Needle passes | |
| 1 time | 28 |
| 2 times | 117 |
| ≥3 times | 49 |