TABLE 2.

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