Table 1.
Basic clinical information of 1586 cases of patients with non-small cell lung cancer.
| Clinical characteristics | Number of patients (%) | |
|---|---|---|
| Total | 1586 | |
| Age | ||
| <70 | 1157 (73.0) | |
| ≥70 | 428 (27.0) | |
| NA | 1 | |
| Sex | ||
| male | 752 (47.4) | |
| female | 834 (52.6) | |
| Smoking | ||
| smoked | 557 (35.1) | |
| no-smoked | 945 (59.6) | |
| NA | 84 (5.3) | |
| Histology type | ||
| Adenocarcinoma | 1431 (90.2) | |
| Squamous cell carcinoma | 71 (4.5) | |
| Adenosquamous carcinoma | 21 (1.3) | |
| Neuroendocrine carcinoma | 11 (0.7) | |
| Sarcomatoid carcinoma /sarcoma | 9 (0.5) | |
| Large cell carcinoma | 1 | |
| Undifferentiated carcinoma | 42 (2.6) | |
| TMN | ||
| I | 421 (26.5) | |
| II | 72 (4.5) | |
| III | 198 (12.5) | |
| IV | 794 (50.1) | |
| NA | 101 (6.4) | |
NA, not available.