Table 1.
Patient characteristics
| Variable | n = 50 |
|---|---|
| Age (years) | 70 (41–87) |
| Sex | |
| Male | 35 (70.0) |
| Female | 15 (30.0) |
| Lesion size (mm) | 20.8 (8.2–29.6) |
| ≤ 20 | 22 (44.0) |
| > 20 | 28 (56.0) |
| Lobe | |
| Right upper lobe/left upper segment | 27 (54.0) |
| Right middle lobe/left lingula | 9 (18.0) |
| Right/left lower lobes | 14 (28.0) |
| Location | |
| Outer | 43 (86.0) |
| Inner | 7 (14.0) |
| Morphology | |
| Solid | 31 (62.0) |
| Part-solid | 19 (38.0) |
| Distance from the costal pleura (mm) | 9.8 (0.0–40.3) |
| ≤ 10 | 26 (52.0) |
| > 10 | 24 (48.0) |
| Bronchus sign | |
| Positive | 33 (66.0) |
| Negative | 17 (34.0) |
| Related bronchial generation | |
| ≤ 6 | 14 (28.0) |
| > 6 | 36 (72.0) |
| Visibility on plain radiograph | |
| Visible | 38 (76.0) |
| Invisible | 12 (24.0) |
Data are presented as number (%) or median (range)