Table 1. Baseline patient characteristics.
| Characteristic | No. of patients | % |
|---|---|---|
| All Patients | 21 | 100 |
| Gender | ||
| Male | 17 | 81 |
| Female | 4 | 19 |
| Age (years) | ||
| ≤ 60 years | 10 | 47 |
| 60–70 years | 7 | 33 |
| > 70 years | 4 | 20 |
| ECOG PS | ||
| 0 and 1 | 20 | 95 |
| 2 | 1 | 5 |
| TNM stage (UICC 2002) | ||
| II | 1 | 5 |
| IIIA | 13 | 62 |
| IIIB | 0 | 0 |
| IIIC | 7 | 33 |
| Location | ||
| Cervical | 4 | |
| Upper | 10 | |
| Middle | 5 | |
| Lower | 2 | |
| EGFR mutation (n = 10) | ||
| Positive | 0 | 0 |
| Negative | 10 | 100 |
| EGFR expression | ||
| Positive | 16 | 76 |
| Negative | 5 | 24 |
| VEGF expression | ||
| Positive | 7 | 14 |
| Negative | 34 | 66 |
| Smoking status | ||
| Smokers | 7 | 33 |
| Non-smokers | 14 | 67 |
ECOG PS, Eastern Cooperative Oncology Group performance status; TNM, tumor-node-metastasis; EGFR, epidermal growth factor receptor; VEGF, vascular endothelial growth factor.