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Sample characteristics (n = 202)
| N (%) | |
|---|---|
| Performance status | |
| 0 | 27 (13) |
| 1 | 72 (36) |
| 2 | 71 (35) |
| 3 | 32 (16) |
| Lung cancer histology | |
| Non-small lung cancer (NSCLC) | 135 (67) |
| Small cell lung cancer (SCLC) | 63 (31) |
| Mixed histology | 3 (2) |
| Stage | |
| Early stage NSCLC | 26 (13) |
| Stage IIIb-IV NSCLC | 110 (55) |
| Early/limited stage SCLC | 17 (9) |
| Extensive stage SCLC | 46 (23) |
| Smoking status | |
| Ex-smoker | 135 (67) |
| Current smoker | 47 (23) |
| Never smoked | 19 (10) |
