Table 2 Logistic regression analysis of clinical CT.
| Â | OR (95%CI) | P-value |
|---|---|---|
Age | 1.060 (1.018–1.103 | 0.005 |
Smoking-status | 0.283 (0.147–0.545) | 0.000 |
Smoking-index | Â | Â |
 < 20 | 8,882,439 | 0.998 |
 20–50 | 1.345 | 0.997 |
  > 50 | 1.538 | 1.000 |
Cavity | 4.234 (1.324–13.598) | 0.015 |
Pleural depression | 0.205 (0.078–0.539) | 0.001 |
Spiculate | 1.796 (1.080–2.988 | 0.024 |