Table 3. Association of clinicopathological data with OS of the patients.
| Clinicopathological data | Median overall survival (months) | p |
|---|---|---|
| All Patients | 14 | |
| Gender | ||
| Male | 14 | 0.873 |
| Female | 13 | |
| ECOG PS | ||
| 0,1 | 14 | 0.000 |
| 2 | 4 | |
| TNM stage (UICC 2002) | ||
| I/II | 14 | 0.795 |
| III/IV | 11 | |
| Cigarettes/year | ||
| ≥400 | 9 | 0.088 |
| Never smoked | 14 | |
| *EGFR expression | ||
| High | 10 | 0.736 |
| Low | 13 | |
| *EGFR mutation | ||
| Positive | 17 | 0.098 |
| Negative | 10 |
ECOG PS, Eastern Cooperative Oncology Group performance status; TNM, tumor-node-metastasis; EGFR, epidermal growth factor receptor.
EGFR expression and mutation status were evaluated in 15 patients (5 patients had insufficient material).