Lung ultrasound findings prior to transbronchial cryobiopsy (TBCB)
| Lung ultrasound findings | n (%) | 95% CI |
| Normal findings | ||
| Normal visceral pleura, no B-lines, lung sliding present | 14 (9.9) | 5.9–16.1 |
| Pleural line movement | ||
| Bilateral lung sliding | 141 (100) | 97.9–100 |
| B-lines | ||
| Few B-lines in intercostal space (3>B-lines>0) | 8 (5.7) | 2.9–11.1 |
| Multiple B-lines in intercostal space (≥3 B-lines) | 113 (80.1) | 72.7–86.0 |
| Abnormal visceral pleura | ||
| Unilaterally fragmented and thickened visceral pleura | 1 (0.71) | 0.1–4.9 |
| Bilaterally fragmented and thickened pleura | 118 (83.7) | 76.6–89.0 |