Table 3 Univariate Analysis of malignant SPNs (n, %)
CT signs | Benign SPNs (n = 73) | Malignant SPNs (n = 114) | F/χ2 value | P value |
|---|---|---|---|---|
Location left lung | 54 | 76 | 0.0176 | 0.894 |
right lung | 19 | 28 | ||
Burr sign | 16 | 42 | 4.633 | 0.031 |
Lobulation sign | 18 | 45 | 4.373 | 0.037 |
Pleural traction sign | 19 | 51 | 6.651 | 0.010 |
Vascular convergence sign | 12 | 40 | 7.710 | 0.005 |
Vacuole sign | 13 | 48 | 11.935 | 0.000 |
Size >1 cm | 16 | 55 | 13.097 | 0.000 |
≤1 cm | 57 | 59 | ||
Type of nodule solid nodules | 28 | 58 | 2.131 | 0.144 |
ground glass nodule | 35 | 44 | ||
mixed nodules | 10 | 12 | ||
Calcification | 28 | 9 | 26.018 | 0.000 |
Satellite lesions | 19 | 10 | 10.113 | 0.001 |