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Patient characteristics
| Period 1995–1997 | Period 2000–2005 | |
|---|---|---|
| Patients included | 45 | 69 |
| Average age (years) | 57.6 | 60.6 |
| Proportion females (%) | 24 | 26 |
| Patients per year | 7.5 | 11.5 |
| Proportion tongue base cancers (%) | 18 | 30 |
| Node positive patients (pretreatment) (%) | 76 | 81 |
| T3 + T4 (%) | 40 | 54 |
| Stage III + IV (%) | 84 | 91 |
