Table 4.
Factors associated with the diagnostic utility of additional conventional transbronchial lung biopsy in patients who could not be diagnosed by endobronchial ultrasound with a guide‐sheath‐guided transbronchial lung biopsy
| Diagnostic yield | ||
|---|---|---|
| Characteristics | (n = 8/25) | P‐value |
| Location of lesion | 0.345 | |
| Upper lobe | 5/11 (45.5) | |
| Middle or lingular lobe | 0/2 | |
| Lower lobe | 3/12 (25.0) | |
| Lesion size | 1.000 | |
| ≤3 cm | 5/17 (29.4) | |
| >3 cm | 3/8 (37.5) | |
| Distance from pleura | 0.231 | |
| ≤1 cm | 6/22 (27.3) | |
| >1 cm | 2/3 (66.7) | |
| Presence of bronchus sign on CT scan | 0.081 | |
| Present | 6/11 (54.5) | |
| Absent | 2/14 (14.3) | |
| Endobronchial ultrasound visualization | 0.004 | |
| Within | 6/8 (75.0) | |
| Adjacent or invisible | 2/17 (11.8) | |
| Appearance on CT scan | 0.006 | |
| Solid | 3/19 (15.8) | |
| Nonsolid | 5/6 (83.3) |
Data are shown as n (%), unless otherwise noted.
CT, computed tomography.