1.
患者特征
Basic characteristics of the patients
| Characteristics | Items | n (%) |
| Gender | Male | 233 (46.7) |
| Female | 266 (53.3) | |
| Age (yr) | Median (range) | 59 (28-84) |
| < 55 | 163 (32.6) | |
| 55-70 | 271 (54.2) | |
| > 70 | 66 (13.2) | |
| Smoking history | No | 206 (42.0) |
| Yes | 285 (58.0) | |
| Symptom | No | 176 (35.2) |
| Yes | 324 (64.8) | |
| Histology type | Adenocarcinoma | 372 (74.4) |
| Squamous cell carcinoma | 85 (17.0) | |
| Small cell lung cancer | 31 (6.2) | |
| Adenosquamous carcinoma | 4 (0.8) | |
| Other | 7 (1.4) | |
| Stage | Ⅰ | 167 (33.4) |
| Ⅱ | 52 (10.4) | |
| Ⅲa | 76 (15.2) | |
| Ⅲb | 29 (5.8) | |
| Ⅳ | 176 (35.2) | |
| Performance status | 0 | 414 (82.8) |
| 1 | 77 (15.4) | |
| 2 | 9 (1.8) | |
| Biomarkers test | Yes | 291 (58.2) |
| No | 209 (41.8) |