Characteristics | Â |
---|---|
Age (years), mean ± SD | 55.2 ± 9.8 |
Age, N (%) | |
 < 55 | 32 (45.7) |
 ≥ 55 | 38 (54.3) |
Gender, N (%) | |
 Female | 19 (27.1) |
 Male | 51 (72.9) |
Smoking status, N (%) | |
 Never-smoker | 27 (38.6) |
 Current/ex-smoker | 43 (61.4) |
Grade, N (%) | |
 1–2 | 51 (72.9) |
 3 | 19 (27.1) |
Stage, N (%) | |
 I | 12 (17.1) |
 II | 15 (21.4) |
 III | 12 (17.1) |
 IV | 31 (44.3) |
Tumor size (cm), mean ± SD | 5.4 ± 2.78 |
Tumor size (cm), N (%) | |
 < 4 | 25 (35.7) |
 ≥ 4 | 45 (64.3) |
Laterality, N (%) | |
 Left | 36 (51.4) |
 Right | 34 (48.6) |
LN metastasis, N (%) | |
 No | 34 (48.6) |
 Yes | 36 (51.4) |
EGFR mutation, N (%) | |
 Wild type | 40 (57.1) |
 Mutant | 21 (30.0) |
 Unknown | 9 (12.9) |