Table 1.
Clinical characteristics of the patients enrolled in the study.
| CHARACTERISTICS | PATIENTS WITH NSCLC % (n) | PATIENTS WITH BENIGN CONDITIONS % (n) |
|---|---|---|
| Gender (male:female) | 40:60 | 80:20 |
| Age mean (STD) | 68.3 (10.0) | 63.0 (13.3) |
| COPD | 40 (4) | 70 (7) |
| Associated respiratory infection | 30 (3) | 29 (2) |
| Diabetes | 0 | 10 (1) |
| Previous cancer | 40 (4) | 22 (2) |
| Steroid user | 10 (1) | 56 (5) |
| Current smoker | 0 | 22 (2) |
| Asbestosis | 0 | 11 (1) |
| Histopathology | Adenocarcinoma: 50 (5) | |
| Squamous cell carcinoma: 50 (5) | ||
| Stage | III: 40 (4), IV: 50 (5), unknown: 10 (1) | |
| Tumor location | Central: 60 (6); peripheral: 40 (4) | |
| Other conditions | 0 | |
| Churg strauss vasculitis | 0 | 10 (1) |
| Granulamatous inflammation | 0 | 10 (1) |
| Sarcoidosis | 0 | 10 (1) |
| Neurofibromatosis | 0 | 10 (1) |
| Exudative pleural effusion | 0 | 10 (1) |