Table 2.
Final diagnoses and complications.
| Cryobiopsy, n=28 | Forceps biopsy, n=17 | p value | |
|---|---|---|---|
| Sample pieces | 7 (3.5–8) | 6 (5–7.5) | 0.686 |
| Tissue size | |||
| Length (mm) | 9.1 ± 5.7 | 5.3 ± 3.8 | 0.020 |
| Area (mm2) | 56.0 ± 61.3 | 10.2 ± 14.3 | 0.001 |
| Volume (mm3) | 232.1 ± 411.4 | 13.4 ± 22.6 | 0.009 |
| Bleeding | |||
| Moderate/severe | 0 | 0 | — |
| Mild | 3 | 1 | 0.581 |
| No bleeding | 25 | 16 | 0.581 |
| Subcutaneous emphysema | 0 | 0 | |
| Pneumothorax | 0 | 0 | |
| Pneumomediastinum | 0 | 0 | |
| Wound infection | 0 | 0 | |
| Diagnostic rate | 89.3% (25/28) | 88.2% (15/17) | 0.913 |
| Hospital stay after pleuroscopic biopsy (days), median (IQR) | 11 (8–14.5) | 11 (7–18) | 0.916 |
| Final diagnosis | |||
| Malignancy | 16 (57.1%) | 9 (52.9%) | |
| Tuberculosis pleurisy | 4 (14.3%) | 3 (17.6%) | |
| Fibrinous pleuritis | 5 (17.9%) | 2 (11.8%) | |
| Wegener's granulomatosis | 0 (0%) | 1 (5.9%) | |
| Undiagnosed | 3 (10.7%) | 2 (11.8%) |