Multivariate logistic regression model for the diagnostic yield of EBUS-TBB in the matched study cohort
| Variable | OR (95% CI) | p-value |
| EBUS-TBB | ||
| With a guide sheath | 0.893 (0.614–1.300) | 0.554 |
| Without a guide sheath | Reference | |
| Lesion location | ||
| Upper lobes | 1.307 (0.892–1.916) | 0.169 |
| Middle/lower lobes | Reference | |
| Lesion character | ||
| Solid | 1.505 (0.845–2.679) | 0.165 |
| Others# | Reference | |
| Lesion size | ||
| >30 mm | 2.333 (1.323–4.116) | 0.003 |
| 20–30 mm | 2.023 (1.071–3.824) | 0.030 |
| <20 mm | Reference | |
| EBUS probe position | ||
| Within | 3.226 (2.207–5.134) | <0.001 |
| Adjacent to or outside | Reference | |
EBUS-TBB: endobronchial ultrasound-guided transbronchial biopsy. #: part-solid, ground-glass opacity, and cavity.