Table 2.
Differences of CT imaging features between the MIA group and IAC group.
| Variable | All (n = 469 example) | MIA (n = 268 example) | IAC (n = 201 example) | P |
|---|---|---|---|---|
| Lesion shape | 0.036 | |||
| Round shape (example) | 323 (68.87%) | 195 (72.76%) | 128 (63.68%) | |
| Irregular shape (example) | 146 (31.13%) | 73 (27.24%) | 73 (36.32%) | |
| Lobography (example) | 165 (35.18%) | 81 (30.22%) | 84 (41.79%) | 0.010 |
| Vacuolation sign (example) | 84 (17.91%) | 39 (14.55%) | 45 (22.39%) | 0.029 |
| Air bronchus sign (example) | 87 (18.55%) | 41 (15.30%) | 46 (22.89%) | 0.037 |
| Vascular bundle sign (example) | 178 (37.95%) | 53 (19.78%) | 118 (58.71%) | ≤0.001 |