Table 4 Differences of morphological features between patients in PLC group and BCM group
CT characteristics | PLC (%) | BCM (%) | P |
|---|---|---|---|
Location | 1.00 | ||
Peripheral | 33 (45.8) | 22 (46.9) | |
Central | 39 (54.2) | 26 (53.1) | |
Laterality | 0.601 | ||
Homolateral | 37 (51.3) | 27 (56.3) | |
Contralateral | 35 (48.7) | 21 (44.7) | |
Size(cm) | |||
Maximum axial diameter | 3.51 ± 1.49 | 3.13 ± 1.12 | 1.53 |
Minimum axial diameter | 2.23 ± 0.22 | 1.95 ± 0.82 | 1.32 |
Opacity | 0.001 | ||
pGGN | 6 (8.3) | 0 (0) | |
mGGN | 30 (41.7) | 6 (12.5) | |
Solid | 36 (50) | 42 (87.5) | |
Border definition | 0.47 | ||
Well defined | 48 (66.7) | 36 (75) | |
Ill defined | 24 (33.3) | 12 (25) | |
Lobulation sign | < 0.001 | ||
Positive | 57 (79.2) | 15 (31.2) | |
Negative | 15 (20.8) | 33 (68.8) | |
Spicule sign | < 0.001 | ||
Positive | 45 (62.5) | 13 (27.1) | |
Negative | 27 (37.5) | 35 (72.9) | |
Vascular convergence sign | 0.10 | ||
Positive | 21 (29.2) | 6 (12.5) | |
Negative | 51 (70.8) | 42 (87.5) | |
Pleural indentation sign | < 0.001 | ||
Positive | 59 (81.9) | 15 (31.2) | |
Negative | 13 (18.1) | 33 (68.8) | |
Bronchus encapsulated air sign | 0.064 | ||
Positive | 23 (31.9) | 6 (12.5) | |
Negative | 49 (68.1) | 42 (87.5) |