Clinical data of the patients in the 2 groups.
| Characteristics | TG | CG |
|---|---|---|
| No. of cases (Male / Female) | 44 (30/14) | 38 (29/9) |
| Mean age (years) | 55.3 | 59.5 |
| Staging | ||
| Stage III | 29 | 24 |
| Stage IVa | 15 | 14 |
| Pathologic type | ||
| Squamous cell carcinoma | 8 | 5 |
| Non-keratinizing carcinoma | 36 | 33 |