Table 3 Factors affecting diagnostic yield of EBUS-GS for peripheral cavitary lung lesions
Variable | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
Diagnostic yield, (%) | P value | OR (95 % CI) | P value | |
Age, year | ||||
≥ 70 | 17/20 (85) | 0.72 | – | |
< 70 | 23/30 (76.7) | |||
Sex | ||||
Male | 26/32 (81.3) | 1 | – | |
Female | 14/18 (77.8) | |||
Lesion size, mm | ||||
> 30 | 25/31 (80.6) | 1 | 1.19 (0.24–5.95) | 0.83 |
≤ 30 | 15/19 (78.9) | |||
Cavity wall thickness, mm | ||||
> 10 | 22/27 (81.5) | 1 | – | |
≤ 10 | 18/23 (78.3) | |||
Distance from costal pleura, mm | ||||
> 10 | 10/11 (90.9) | 0.42 | – | |
≤ 10 | 30/39 (76.9) | |||
Lobar location | ||||
Lower | 21/27 (77.8) | 0.74 | – | |
Upper/middle | 19/23 (82.6) | |||
Bronchus sign | ||||
Positive | 32/41 (78.0) | 0.67 | 0.26 (0.02–2.90) | 0.27 |
Negative | 8/9 (88.9) | |||
VBN | ||||
Yes | 22/27 (81.5) | 1 | – | |
No | 18/23 (78.3) | |||
EBUS image | ||||
Within | 24/26 (92.3) | 0.03 | 7.04 (1.27–38.90) | 0.03 |
Adjacent to/invisible | 16/24 (66.7) | |||