Skip to main content
. 2021 Jan 13;8(1):e000826. doi: 10.1136/bmjresp-2020-000826

Table 1.

Characteristics of patients with dense versus blizzard signs on radial endobronchial ultrasonography

Dense sign
(n=18)
Blizzard sign
(n=29)
P value
Age (years) 70 (27–80) 70 (33–81) 0.16
Gender (female/male) 7/11 12/17 0.86
HRCT features at TBLC site
 Consolidation 18 (100) 0
 Reticulation 0 15 (51.7)
 Ground-glass opacity 0 13 (44.8)
 Nodules 0 1 (3.4)
Cryobiopsies per patient 3 (1–4) 3 (1–4) 0.08
Lobar location of TBLC <0.01
 Right upper lobe 2 (4.8) 11 (13.6)
 Right middle lobe 4 (9.5) 1 (1.2)
 Right lower lobe 14 (33.3) 50 (61.7)
 Left upper lobe 7 (16.7) 0
 Left lower lobe 15 (35.7) 19 (23.5)

Data are presented as medians (ranges) or numbers (percentages).

HRCT, high-resolution CT; TBLC, transbronchial lung cryobiopsy.