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Clinical characteristics of patients at initial diagnosis.
| Variables | N | % |
|---|---|---|
| Tumour site | ||
| Supraglottis | 29 | 76.31% |
| Glottis | 3 | 7.89% |
| Hypopharynx | 6 | 15.78% |
| Initial T | ||
| T1-2 | 2 | 5.26% |
| T3 | 24 | 63.15% |
| T4 | 9 | 23.68% |
| Unknown | 3 | 7.89% |
| Initial N | ||
| N0 | 15 | 39.47% |
| N1 | 5 | 13.15% |
| N2 | 13 | 34.21% |
| N3 | 2 | 5.26% |
| Unknown | 3 | 7.89% |
| Initial stage | ||
| Stage III | 14 | 36.84% |
| Stage IV | 21 | 55.26% |
| Unknown | 3 | 7.89% |
