Variables | Mild emphysema (n = 70) | Moderate-to-severe emphysema (n = 59) | P-value |
---|---|---|---|
Mean diameter of lesion, mm | 27 (22–39) | 28 (19–39) | 0.709 |
Distance from pleura to lung lesion, mm | 3 (0–22) | 0 (0–27) | 0.927 |
Number of brushing cytology tests | 3 (3–3) | 3 (2–3) | 0.371 |
Number of biopsies | 6 (6–6) | 6 (6–7) | 0.379 |
Lesion location | |||
Right upper lobe | 25 (36) | 11 (19) | 0.072 |
Right middle lobe | 4 (6) | 8 (14) | |
Right lower lobe | 16 (23) | 15 (25) | |
Left upper division | 12 (17) | 10 (17) | |
Left lingular division | 1 (1) | 6 (10) | |
Left lower lobe | 12 (17) | 9 (15) | |
Bronchus sign | |||
Positive | 62 (89) | 40 (68) | 0.004 |
Negative | 8 (11) | 19 (32) | |
Character of lesion on CT | |||
Solid | 62 (89) | 54 (92) | 0.484 |
Mixed | 0 (0) | 1 (2) | |
Ground-glass opacity | 1 (1) | 0 (0) | |
Cavitary | 7 (10) | 4 (7) | |
EBUS finding | |||
Within lesion | 63 (90) | 43 (73) | 0.011 |
Adjacent to or outside lesion | 7 (10) | 16 (27) |