Table 1.
Association of demographics and clinicopathological characteristics with BRAF mutation status in Cohort A.
| Characteristics | Wild type (n = 35) | BRAF mutation (n = 22) | P |
|---|---|---|---|
| n (%) | n (%) | ||
| Age (yrs.) | 0.40 | ||
| ≤65 | 23 (65.7) | 12 (54.5) | |
| >65 | 12 (34.3) | 10 (45.5) | |
| Gender | 0.99 | ||
| Female | 8 (22.9) | 5 (22.7) | |
| Male | 27 (77.1) | 17 (77.3) | |
| Smoking status | 0.79 | ||
| Never smoker | 10 (28.6) | 7 (31.8) | |
| Former/current smoker | 25 (71.4) | 15 (68.2) | |
| Stagea | 0.71 | ||
| I–III | 8 (22.9) | 6 (27.3) | |
| IV | 27 (77.1) | 16 (72.7) | |
| ECOG PS | 0.20 | ||
| 0–1 | 35 (100.0) | 21 (95.5) | |
| 2 | 0 (0.0) | 1 (4.5) | |
| Pathological type | 0.07 | ||
| Adenocarcinoma | 35 (100.0) | 20 (90.9) | |
| Other types | 0 (0.0) | 2 (9.1) |
aUsing the 8th TNM staging classification.