Table 1. Demographic and histopathological characteristics of NSCLC patients and specimens.
| Developmental phase (128 frozen tumor tissues) | Validation phase (112 formalin-fixed, paraffin-embedded tumor tissues) | Application phase (127 bronchoalveolar lavages) | |
|---|---|---|---|
| SCC | 62 | 57 | 82 |
| Age, year (mean ± SD) | 67 ± 9 | 61 ± 8 | 66 ± 8 |
| Sex | |||
| Male | 39 | 42 | 53 |
| Female | 23 | 15 | 29 |
| TNM stage | |||
| I | 25 | 28 | 34 |
| II | 18 | 15 | 25 |
| III-IV | 19 | 14 | 23 |
| AC | 66 | 55 | 45 |
| Age, year (mean ± SD) | 68 ± 10 | 61 ± 8 | 66 ± 8 |
| Sex | |||
| Male | 43 | 27 | 29 |
| Female | 23 | 26 | 16 |
| TNM stage | |||
| I | 26 | 31 | 18 |
| II | 20 | 10 | 13 |
| III-IV | 20 | 14 | 14 |
Abbreviations: NSCLC, non-small cell lung cancer. SCC, squamous cell carcinoma; AC, adenocarcinoma; TNM, tumor, node, metastasis classification.