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Patient demographic data.
| Variable | Total (N = 30) | Tissue (n = 26) | Saliva (n = 30) |
|---|---|---|---|
| Age, years | |||
| Average (range) | 58 (33–80) | 60 (45–80) | 58 (33–80) |
| Tumor stage | |||
| I-II | 25 | 22 | 25 |
| III-IV | 5 | 4 | 5 |
| Tumor site | |||
| Cheek | 6 | 6 | 6 |
| Gingiva | 4 | 4 | 4 |
| Oropharynx | 7 | 6 | 7 |
| Tongue | 10 | 7 | 10 |
| Others | 3 | 3 | 3 |
| Tlcohol | |||
| Yes | 7 | 6 | 7 |
| No | 23 | 20 | 23 |
| Tobacco | |||
| Yes | 8 | 7 | 8 |
| No | 22 | 19 | 22 |
Age, tobacco and alcohol consumption, and tumor information were provided in the form. The others option of tumor site included temple, mouth floor and maxillary.
