Table 2. Logistic regression analysis of the factors affecting diagnostic yield of EBUS-GS-guided bronchoscopy for peripheral pulmonary lesions with GGO.
| Variable | Univariate analysis |
Multivariate analysis |
|||
|---|---|---|---|---|---|
| No./total No. [%] | P value | Odds ratio [95% CI] | P value | ||
| All | 26/40 [65.0] | – | – | – | |
| Lesion size | |||||
| <20 mm | 13/21 [61.9] | 0.75 | – | – | |
| ≥20 mm | 13/19 [68.4] | ||||
| Ground glass opacity | |||||
| Pure GGO | 2/4 [50.0] | 0.47 | – | – | |
| GGO-dominant lesions | 8/14 [57.1] | ||||
| Lesions with GGO <50% | 16/22 [72.7] | ||||
| X-ray fluoroscopy | |||||
| Visible | 14/18 [77.8] | 0.18 | – | – | |
| Invisible | 12/22 [54.5] | ||||
| Tomosynthesis image | |||||
| Visible | 26/36 [72.2] | 0.01 | – | – | |
| Invisible | 0/4 [0] | ||||
| EBUS image | |||||
| Visible | 19/24 [79.2] | 0.04 | 16.20 [1.65-160.0] | 0.017 | |
| Invisible | 7/16 [43.8] | ||||
Abbreviations: GGO, ground glass opacity; EBUS, endobronchial ultrasonography.