Table 2.
Operation parameters, further confirmation modalities, lymph node size and diagnostic yield
| Operation parameters | |
|---|---|
| Number of lymph nodes biopsied | N = 225 |
| Number of lung mass biopsied | N = 7 |
| Number of esophageal masses biopsied | N = 2 |
| Number of mediastinal masses biopsied | N = 1 |
| Mean period of each TBNA pass (min) | 4.9 |
| Mean stay length in hospital (day) | 2.0 |
| Complications | No case |
| Further confirmation modalities | |
| Mediastinoscopy | N = 23 |
| VATS | N = 2 |
| TBLB | N = 2 |
| 6-months follow-up | N = 74 |
| Lymph node size (mm) | |
| Long axis | 20.4 (6-105) |
| Short axis | 17 (6-50) |
| Diagnostic yield % | |
| Sensitivity | 95.08 |
| Specificity | 100 |
| Accuracy | 97.02 |
| Positive predictive value (PPV) | 100 |
| Negative predictive value (NPV) | 93.02 |
VATS: video-assisted thoracotomy surgery; TBLB: transbronchial lung biopsy