| Features |
| Healthy people | NSCLC | p |
| Gender | Male | 32 | 48 | 6005 |
|
| Female | 18 | 22 |
|
| Age | ≥60 | 28 | 43 | 0.3558 |
|
| <60 | 22 | 27 |
|
| Smoking status | Ever | 21 | 42 | 0.0516 |
|
| Never | 29 | 28 |
|