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Characteristics of the study participants
| Parameter | Non-small-cell lung cancer | Control group |
|---|---|---|
| N | ||
| Total | 50 | 25 |
| Male | 28 (56.0%) | 14 (56.0%) |
| Female | 22 (44.0%) | 11 (44.0%) |
| Age, year | ||
| Mean | 65 | 64 |
| Range | 53–86 | 50–78 |
| BMI, kg/m2 | ||
| Mean | 26.5 | 25.8 |
| Range | 17.6–33.9 | 21.1–34.6 |
| Histological type | ||
| Adenocarcinoma | 25 | – |
| Squamous cell | 25 | – |
| Stagea | ||
| IA | 17 | – |
| IB | 25 | – |
| IIA | 6 | – |
| IIB | 2 | – |
| Tumor grade | ||
| G1 | 2 | – |
| G2 | 27 | – |
| G2/G3 | 2 | – |
| G3 | 15 | – |
| Unknown | 4 | – |
aAccording to TNM classification (Goldstraw et al. 2007)
