Variable | Hazard ratio | 95 % CI | P |
---|---|---|---|
Age of onset (<50 years old) | 0.262 | 0.062–1.102 | 0.068 |
Lymph node metastasis | 4.559 | 1.582–13.139 | 0.005 |
Tumor grade | 1.093 | 0.424–2.820 | 0.854 |
PIK3CA mutations | 1.421 | 0.282–7.163 | 0.670 |
KRAS mutations | 1.635 | 0.493–5.414 | 0.421 |
EGFR mutations | 3.639 | 1.221–10.850 | 0.020 |