Diagnostic yields of TBNA and transbronchial mediastinal cryobiopsy
| Total | TBNA | Cryobiopsy | p-value | |
| Subjects n | 194 | 194 | 194 | |
| Diagnostic yield n (%) | 0.001 | |||
| No | 13 (6.7%) | 39 (20.1%) | 16 (8.2%) | |
| Yes | 181 (93.3%) | 155 (79.9%) | 178 (91.8%) | |
| Common tumour n | ||||
| Lung, adenocarcinoma | 75 | 68 | 72 | |
| Lung, squamous cell | 24 | 24 | 23 | |
| Lung, large cell | 3 | 3 | 3 | |
| Lung, NSCLC (NOS) | 7 | 6 | 5 | |
| Lung, small cell | 26 | 26 | 26 | |
| Total n (%) | 135 (69.6%) | 127 (65.5%) | 129 (66.5%) | 0.58 |
| Uncommon tumour n | ||||
| Lung, carcinoid | 1 | 0 | 1 | |
| Lung, sarcomatoid | 1 | 1 | 1 | |
| Lymphoma | 8 | 1 | 7 | |
| Seminoma | 1 | 0 | 1 | |
| Thymic carcinoma | 1 | 1 | 1 | |
| Total n (%) | 12 (6.2%) | 3 (1.5%) | 11 (5.7%) | 0.001 |
| Benign disorder n | ||||
| Sarcoidosis | 15 | 10 | 15 | |
| Tuberculosis | 16 | 8 | 16 | |
| Pneumoconiosis | 7 | 7 | 7 | |
| Total n (%) | 47 (24.2%) | 25 (12.9%) | 38 (19.6%) | 0.004 |
TBNA: transbronchial needle aspiration; NSCLC: non-small cell lung cancer; NOS: not otherwise specified.