Table 1.
Patient characteristics
| Characteristics | n | % |
|---|---|---|
| Total | 162 | 100 |
| Sex | ||
| Female | 12 | 7.4 |
| Male | 150 | 92.6 |
| Smoking history | ||
| <20 pack-years | 35 | 20.1 |
| 20–50 pack-years | 81 | 50 |
| >50 pack-years | 46 | 28.4 |
| Family history of malignant tumor | ||
| Absent | 126 | 77.8 |
| Present | 36 | 22.2 |
| Tumor differentiation | ||
| Well | 5 | 3.1 |
| Moderate | 70 | 43.2 |
| Poor | 87 | 53.7 |
| Pathologic stage | ||
| I | 69 | 42.6 |
| II | 46 | 28.4 |
| III | 46 | 28.4 |
| IV | 1 | 0.6 |
| Pleural invasion | ||
| Absent | 125 | 77.2 |
| Present | 37 | 22.8 |
| Mutational status | ||
| EGFR mutation | 5 | 3.1 |
| HER2 mutation | 1 | 0.6 |
| BRAF mutation | 1 | 0.6 |
| FGFR fusion | 10 | 6.2 |
| PIK3CA mutation | 3 | 1.9 |
| NFE2L2 mutation | 6 | 3.7 |