Multivariable analysis for predictors of diagnostic yield.
| Variable | OR | 95% CI | P value |
| Lesion size (>20 mm vs ≤20 mm) | 2.27 | 1.40 to 3.68 | <0.001 |
| Lesion density | <0.001 | ||
| Pure GGO | Ref | ||
| Solid | 7.21 | 2.00 to 25.97 | 0.003 |
| Mixed GGO | 2.72 | 0.73 to 10.12 | 0.13 |
| CT bronchus sign | <0.001 | ||
| Adjacent to | Ref | ||
| Leading to | 3.10 | 1.68 to 5.71 | <0.001 |
| Outside | 1.07 | 0.37 to 3.07 | 0.90 |
| Distance to the hilum | 0.97 | ||
| Peripheral | Ref | ||
| Central | 1.09 | 0.51 to 2.30 | 0.83 |
| Intermediate | 1.00 | 0.57 to 1.75 | 0.99 |
| Distance to the pleura (≤20 mm vs >20 mm) | 0.86 | 0.50 to 1.48 | 0.58 |
| Lobar location (RUL+LUS vs others) | 1.02 | 0.65 to 1.60 | 0.95 |
| Lesion nature (malignant vs benign) | 0.75 | 0.42 to 1.32 | 0.31 |
| Anaesthesia type (general vs local±sedation) | 1.03 | 0.60 to 1.79 | 0.90 |
| GS (yes vs no) | 0.61 | 0.20 to 1.84 | 0.38 |
| Fluoroscopy (yes vs no) | 1.69 | 0.91 to 3.15 | 0.10 |
| Rapid on-site evaluation (yes vs no) | 1.23 | 0.76 to 2.01 | 0.40 |
The multivariable analysis was performed by a full logistic regression model.
GGO, ground glass opacity; GS, guide sheath; LUS, left upper segment; Ref, reference; RUL, right upper lobe.