Table 1 Demographics and disease characteristics of patients
Total 20 patients | Inferior prognosis group (B group) | Better prognosis group (A group) | P |
|---|---|---|---|
Age | 0.178 | ||
 ≤57 | 4 (40%) | 7 (70%) |  |
 > 57 | 6 (60%) | 3 (30%) |  |
Gender | 0.025 | ||
 Female | 3 (30%) | 8 (80%) |  |
 Male | 7 (70%) | 2 (20%) |  |
Smoking History | 0.051 | ||
 No | 5 (50%) | 9 (90%) |  |
 Yes | 5 (50%) | 1 (10%) |  |
Anatomical type | 1 | ||
 Central | 3 (30%) | 3 (30%) |  |
 Peripheral | 7 (70%) | 7 (70%) |  |
EGFR status | 0.079 | ||
 Sensitive mutation | 2 (20%) | 5 (50%) |  |
 Negative | 3 (30%) | 5 (50%) |  |
 Resistance mutation | 2 (20%) | 0 (0%) |  |
 NA | 3 (30%) | 0 (0%) |  |
Bone metastasis | 0.606 | ||
 No | 8 (80%) | 7 (70%) |  |
 Yes | 2 (20%) | 3 (30%) |  |
Brain metastasis | 0.136 | ||
 No | 10 (100%) | 8 (80%) |  |
 Yes | 0 (0%) | 2 (20%) |  |