Table 1.
Baseline characteristics of the study cohort (n = 69).
| Characteristics | Value |
|---|---|
| Age (y), mean ± SD | 63.3 ± 13.6 |
| Male gender, n (%) | 51 (73.9) |
| Indications of procedure, n (%) | |
| Lung cancer | 52 (75.4) |
| Tuberculosis | 6 (8.7) |
| Esophageal cancer | 3 (4.3) |
| Sarcoidosis | 2 (2.9) |
| Lymphangioma | 2 (2.9) |
| Lymphoma | 1 (1.4) |
| UIP | 1 (1.4) |
| Atypical pneumonia | 1 (1.4) |
| Recurred metastatic LAP of stomach cancer | 1 (1.4) |
| Location of lymph nodes, n (%) | |
| Subcarinal | 57 (82.6) |
| Aortopulmonary window | 8 (11.6) |
| Paratracheal | 3 (4.3) |
| Paraesophageal | 1 (1.4) |
| Size of lymph nodes (mm), mean ± SD | |
| Long axis | 24.8 ± 12.1 |
| Short axis | 13.6 ± 6.5 |
SD: standard deviation; UIP: usual interstitial pneumonitis; LAP: lymphadenopathy.