Table 1.
The baseline characteristics of aNSCLCs.
| Characteristics | N = 435 | (%) |
|---|---|---|
| Age (years) (median, range) | 67 (39–80) | |
| Sex | ||
| Male | 294 | 67.6 |
| Female | 141 | 32.4 |
| Family history | ||
| Yes | 103 | 23.7 |
| No | 332 | 76.3 |
| Smoking history | ||
| Yes | 299 | 68.7 |
| No | 136 | 31.3 |
| Drinking history | ||
| Yes | 173 | 39.8 |
| No | 262 | 60.2 |
| ECOG performance status | ||
| 0 or 1 | 362 | 83.2 |
| ≥ 2 | 73 | 16.8 |
| The size of primary tumor (cm) | ||
| < 2 | 19 | 4.4 |
| ≥ 2 | 416 | 95.6 |
| Histological types | ||
| Adenocarcinoma | 275 | 63.2 |
| Squamous carcinoma | 160 | 36.8 |
| Degree of differentiation | ||
| Low | 390 | 89.7 |
| Moderate or High | 45 | 10.3 |
| TNM stage | ||
| Ⅲ | 110 | 25.3 |
| Ⅳ | 325 | 74.7 |
| Lymph node metastasis | ||
| Yes | 320 | 73.6 |
| No | 115 | 26.4 |
| Lung metastasis | ||
| Yes | 184 | 42.3 |
| No | 251 | 57.7 |
| Braine metastasis | ||
| Yes | 64 | 14.7 |
| No | 371 | 85.3 |
| Liver metastasis | ||
| Yes | 52 | 12 |
| No | 383 | 88 |
| Bone metastasis | ||
| Yes | 128 | 29.4 |
| No | 307 | 70.6 |
| Number of metastasis sites | ||
| 0 | 49 | 11.3 |
| 1 | 120 | 27.6 |
| 2 | 183 | 42.1 |
| ≥ 3 | 83 | 19.1 |