Table 2. Characteristics of the 83 SSNs.
| Characteristics | n | % |
|---|---|---|
| Nodule size (mm)* | 12.01±7.23 | 4–48 |
| Size grouping | ||
| <6 mm | 4 | 4.82 |
| 6≤ size <10 mm | 38 | 45.78 |
| ≥10 mm | 41 | 49.40 |
| SSN type | ||
| pGGN | 48 | 57.83 |
| PSN | 35 | 42.17 |
| Lesion location | ||
| LUL | 25 | 30.12 |
| RUL | 22 | 26.51 |
| LLL | 14 | 16.87 |
| RLL | 18 | 21.96 |
| RML | 4 | 4.82 |
| Air bronchogram | 60 | 72.29 |
| Ill-defined margin | 30 | 36.14 |
| Lobulation | 23 | 27.71 |
| Pleural tail | 33 | 39.76 |
| Spiculation | 30 | 36.14 |
| Histologic type | ||
| Benign | 16 | 19.28 |
| AIS | 23 | 27.71 |
| MIA | 16 | 19.28 |
| IA | 28 | 33.73 |
*, data presented as mean ± standard deviation, range. SSN, subsolid nodule; SD, standard deviation; pGGN, pure ground-glass nodule; PSN, part-solid nodule; LUL, left upper lobe; RUL, right upper lobe; LLL, left lower lobe; RLL, right lower lobe; RML, right middle lobe; AIS, adenocarcinoma in situ; MIA, minimally invasive adenocarcinoma; IA, invasive adenocarcinoma.