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Baseline characteristics of 98 advanced NSCLC patients
| Characteristic | N (%) |
|---|---|
| Age (years) | |
| ≥ 60 | 56 (57.1%) |
| < 60 | 42 (42.9%) |
| Gender | |
| Male | 63 (64.3%) |
| Female | 35 (35.7%) |
| Performance status | |
| 0 | 26 (26.5%) |
| 1–2 | 72 (73.5%) |
| Smoking status | |
| Ever smoker | 55 (56.1%) |
| Never smoker | 43 (43.9%) |
| cStage | |
| IV | 71 (72.4%) |
| III | 27 (27.6%) |
| Histology | |
| AD | 50 (51.0%) |
| Non-AD | 48 (49.0%) |
| Tumor differentiation | |
| Poor | 36 (36.7%) |
| Moderate | 51 (52.0%) |
| Well | 4 (4.1%) |
| None | 7 (7.1%) |
