Table 3. Comparison of nodular diameter between AAH and AIS.
| Nodular diameter (mm) | TSCT | Gross pathology | |||||
|---|---|---|---|---|---|---|---|
| AAH (n=33) (%) | AIS (n=47) (%) | P value | AAH (n=33) (%) | AIS (n=47) (%) | P value | ||
| ≤5.00 | 7 (21.2) | 3 (6.4) | <0.001 | 22 (66.7) | 14 (29.8) | <0.001 | |
| 5.1–7.0 | 20 (60.6) | 20 (42.6) | 9 (27.3) | 21 (44.7) | |||
| 7.1–9.0 | 4 (12.1) | 12 (25.5) | 1 (3.0) | 5 (10.6) | |||
| 9.1–11.0 | 2 (6.1) | 7 (14.9) | 1 (3.0) | 6 (12.8) | |||
| 11.1–15.0 | 0 (0) | 3 (6.4) | 0 (0) | 1 (2.1) | |||
| 15.1–20.0 | 0 (0) | 2 (4.2) | 0 (0) | 0 (0) | |||
| 6.0±1.64 | 8.7±3.16 | 4.6±1.99 | 6.8±2.06 | ||||
AAH, atypical adenomatous hyperplasia; AIS, adenocarcinoma in situ; TSCT, thin-section computed tomography.