Table 1.
Characteristics of patients with lung cancer, patients with interstitial lung disease, and healthy individuals.
| Characteristic | LC | ILD | Normal |
|---|---|---|---|
| Total (n) | 262 | 220 | 57 |
| Age (y) | 58.63 ± 13.46 | 57.74 ± 11.74 | 56.53 ± 12.62 |
| Sex (male/female) | 154/108 | 89/131 | 28/29 |
| BMI (kg/m2) | 22.08 ± 1.2 | 24.7 ± 2.9 | 24.5 ± 3.2 |
| Cough (%) | 43.9% | 68.1% | 0.0% |
| Hospitalization (%) | 100.0% | 87.4% | 0.0% |
| Combined with rheumatoid arthritis (%) | 32.1% | 42.7% | 0.0% |
LC: lung cancer, ILD: interstitial lung disease, Normal: healthy individuals, BMI: body mass index.