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SPN直径大小与良、恶性比率的关系
Relationship between diameter and pathology of SPN
| Diameter (cm) | Benign [n(%)] | Malignant [n(%)] | Total (n) | X2 | P |
| ≤0.5 | 9 (56.3%) | 7 (43.7%) | 16 | 22.535 | < 0.001 |
| 0.5-1 | 29 (50.0%) | 29 (50.0%) | 58 | ||
| 1-2 | 60 (36.8%) | 103 (63.2%) | 163 | ||
| 2-3 | 30 (20.9%) | 121 (79.1%) | 153 | ||
| Total | 130 (33.3%) | 260 (66.7%) | 390 |
