Diagnostic yield by each clinical parameter
| Diagnostic yield (%) | Univariable p value | |
| Lesion size | ||
| >8 to ≤20 mm | 151/226 (66.8%) | <0.001 |
| >20 to ≤30 mm | 208/253 (82.2%) | |
| Lesion density | ||
| Solid | 305/386 (79.0%) | <0.001 |
| Mixed ground-glass opacity | 49/80 (61.3%) | |
| Pure ground-glass opacity | 5/13 (38.5%) | |
| CT bronchus sign | ||
| Leading to | 314/394 (79.7%) | <0.001 |
| Adjacent to | 34/61 (55.7%) | |
| Outside | 11/24 (45.8%) | |
| Distance to the hilum | ||
| Central | 56/71 (78.9%) | 0.71 |
| Intermediate | 175/236 (74.2%) | |
| Peripheral | 128/172 (74.4%) | |
| Distance to the pleura | ||
| ≤20 mm | 239/318 (75.2%) | 0.88 |
| ＞20 mm | 120/161 (74.5%) | |
| Lobar location | ||
| RUL+LUS | 208/276 (75.4%) | 0.69 |
| RML+LLS | 56/72 (77.8%) | |
| RLL+LLL | 95/131 (72.5%) | |
| Lesion nature | ||
| Malignant | 278/368 (75.5%) | 0.58 |
| Benign | 81/111 (73.0%) | |
| Anaesthesia type | ||
| General anaesthesia | 282/371 (76.0%) | 0.32 |
| Local anaesthesia with or without moderate sedation | 77/108 (71.3%) | |
| Bronchoscope | ||
| Thick | 3/6 (50.0%) | 0.19 |
| Thin | 350/463* (75.6%) | |
| Ultrathin | 6/10 (60.0%) | |
| rEBUS position | ||
| Within | 293/359 (81.6%) | <0.001 |
| Adjacent to | 64/113 (56.6%) | |
| Outside | 2/7 (28.6%) | |
| GS | ||
| Yes | 327/442 (74.0%) | 0.09 |
| No | 32/37 (86.5%) | |
| Fluoroscopy | ||
| No | 262/353 (74.2%) | 0.54 |
| Yes | 97/126 (77.0%) | |
| Rapid on-site evaluation | ||
| Yes | 166/213 (77.9%) | 0.18 |
| No | 193/266 (72.6%) |
Data are presented as numbers with positive result/numbers examined (%).
*Two cases used standard bronchoscope.
GS, guide sheath; LLL, left lower lobe; LLS, left lingular segment; LUS, left upper segment; RLL, right lower lobe; RML, right middle lobe; RUL, right upper lobe.