3.
AIS和MIA的CT影像特征
CT findings inAIS and MIAgroups
| Surgical data | AIS | MIA | P |
| GGOs diameter (mm) | 9.38±4.39 | 7.96±2.07 | 0.118 |
| Solitary/Multiple | 23/5 | 27/18 | 0.049 |
| Pure/mixed GGOs | 13/15 | 20/25 | 0.869 |
| Location | |||
| Right upper lobe | 6 | 26 | |
| Right middle lobe | 3 | 5 | |
| Right lower lobe | 6 | 14 | |
| Left upper lobe | 14 | 12 | |
| Left lower lobe | 5 | 7 | |
| CT characteristics | |||
| Roundish/irregular | 25/3 | 38/7 | 0.561 |
| Lobalation | 0 | 1 | 0.431 |
| Spiculation | 2 | 12 | 0.041 |
| Boundary blur/clear | 5/23 | 8/37 | 0.993 |
| Vacuole | 10 | 12 | 0.416 |
| Pleural indentation | 9 | 16 | 0.767 |
| Vessel convergence | 10 | 21 | 0.361 |
| Air-bronchogram | 0 | 1 | 0.431 |