Table 4 Factors affecting the yield of re-biopsy by EBUS-GS (N = 44)
Success (n = 33) | Failure (n = 11) | Univariate | Multivariate | ||
|---|---|---|---|---|---|
p value | p value | Odds ratio | |||
Age (years) | 0.722 | – | – | ||
≤70 | 23 (52.3) | 7 (15.9) | |||
>70 | 10 (22.7) | 4 (9.1) | |||
Gender | 0.282 | – | – | ||
Male | 13 (29.5) | 2 (4.5) | |||
Female | 20 (45.5) | 9 (20.5) | |||
ECOG PS | 1.0 | – | – | ||
0/1 | 31 (70.5) | 10 (22.7) | |||
2/3/4 | 2 (4.5) | 1 (2.3) | |||
Size (mm) | 0.139 | – | – | ||
≤30 | 7 (15.9) | 5 (11.4) | |||
>30 | 26 (59.1) | 6 (13.6) | |||
Location | 0.043 | 0.034 | 15.7 | ||
Central parenchymal | 32 (72.7) | 8 (18.2) | |||
Peripheral parenchymal | 1 (2.3) | 3 (6.8) | |||
Bronchus sign | 0.027 | 0.239 | – | ||
Positive | 31 (70.5) | 7 (15.9) | |||
Negative | 2 (4.5) | 4 (9.1) | |||
Biopsied pulmonary lesion | 0.154 | – | – | ||
Primary malignant | 30 (68.2) | 8 (18.2) | |||
Metastatic | 3 (6.8) | 3 (6.8) | |||
Chest radiograph | 0.090 | 0.080 | – | ||
Visible | 31 (70.5) | 8 (18.2) | |||
Invisible | 2 (4.5) | 3 (6.8) | |||
EBUS | 0.016 | 0.012 | 10.0 | ||
Within | 30 (68.2) | 6 (13.6) | |||
Adjacent to/invisible | 3 (6.8) | 5 (11.4) | |||