Table 1.
Baseline characteristics of patients who underwent endobronchial ultrasound with a guide‐sheath combined with additional conventional transbronchial lung biopsy and percutaneous needle biopsy for peripheral pulmonary lesions
| TBLB | PCNB | ||
|---|---|---|---|
| Characteristics | n = 55 | n = 297 | P‐value |
| Age, mean (SD) | 67 2 (10.9) | 68.6 (12.1) | 0.417 |
| Male sex | 29 (52.7) | 173 (58.2) | 0.447 |
| Chronic airway disease | 13 (23.6) | 57 (19.2) | 0.448 |
| Emphysema on CT scan | 10 (18.2) | 75 (25.3) | 0.260 |
| Lesion size, median (range) | 28 (17–79) | 37 (9–137) | 0.002 |
| <20 mm | 3 (5.5) | 32 (10.8) | |
| 20–30 mm | 29 (52.7) | 77 (25.9) | |
| >30 mm | 23 (41.8) | 188 (63.3) | |
| Lesion location | 0.960 | ||
| Upper lobe | 27 (49.1) | 152 (51.2) | |
| Middle or lingular lobe | 7 (12.7) | 36 (12.1) | |
| Lower lobe | 21 (38.2) | 109 (36.7) | |
| Distance from pleura, mm, median (range) | 5 (0–50) | 7 (0–70) | 0.381 |
| Lesions abutting the pleura | 17 (30.9) | 104 (35.0) | 0.556 |
| Presence of bronchus sign on CT scan | 35 (63.6) | 170 (57.2) | 0.058 |
| Endobronchial ultrasound visualization | |||
| Within | 32 (58.2) | NA | |
| Adjacent | 21 (38.2) | NA | |
| Invisible | 2 (3.6) | NA | |
| Appearance on CT scan | 0.033 | ||
| Solid | 45 (81.8) | 275 (92.6) | |
| Part‐solid | 7 (12.7) | 11 (3.7) | |
| Pure GGO | 0 | 1 (0.3) | |
| Cavitary | 3 (5.5) | 10 (3.4) |
Data are shown as n (%), unless otherwise noted.
CT, computed tomography; GGO, ground‐glass opacity; NA, not applicable; PCNB, percutaneous needle biopsy; SD, standard deviation; TBLB, transbronchial lung biopsy.