Table 2 Semantic features of 139 cases of pGGOs diagnosed as MIA or precursor lesions.
CT imaging signs | AAH / AIS (n = 80) | MIA (n = 59) | p |
|---|---|---|---|
Shape | 0.435 | ||
Round | 50 (62.50%) | 33 (55.93%) | |
Non-circular | 30 (37.50%) | 26 (44.07%) | |
Margins | 0.536 | ||
Clear | 27 (33.75%) | 17 (28.81%) | |
Blurred | 53 (66.25%) | 42 (71.19%) | |
Spiculation | 0.018 | ||
Present | 20 (25.00%) | 26 (44.07%) | |
Absent | 60 (75.00%) | 33 (55.93%) | |
Lobulation | 0.086 | ||
Present | 7 (8.75%) | 11 (18.64%) | |
Absent | 73 (91.25%) | 48 (81.36%) | |
Vacuole sign | 0.188 | ||
Present | 19 (23.75%) | 20 (33.90%) | |
Absent | 61 (76.25%) | 39 (66.10%) | |
Air bronchogram | 0.081 | ||
Present | 5 (6.26%) | 9 (15.25%) | |
Absent | 75 (93.75%) | 50 (84.75%) | |
Pleural indentation | 0.284 | ||
Present | 3 (3.75%) | 5 (8.47%) | |
Absent | 77 (96.25%) | 54 (91.53%) | |
Vascular convergence sign | 0.525 | ||
Present | 27 (33.75%) | 23 (38.98%) | |
Absent | 53 (66.25%) | 36 (61.02%) | |
Pleural thickening | 0.168 | ||
Present | 9 (11.25%) | 2 (3.39%) | |
Absent | 71 (88.75%) | 57 (96.61%) | |
Right lung | 57 (71.25%) | 37 (62.71%) | 0.288 |
Upper lobe | 31 (38.75%) | 15 (25.42%) | 0.082 |
Middle lobe | 14 (17.50%) | 5 (8.47%) | |
Lower lobe | 12 (15.00%) | 17 (28.81%) | |
Left lung | 23 (28.75%) | 22 (37.29%) | |
Upper lobe | 15 (18.75%) | 12 (20.34%) | |
Lower lobe | 8 (10.00%) | 10 (16.95%) |
