Table 1.
Patient characteristics
| Patients characteristics | Frequency (n) | Percentage (%) |
|---|---|---|
| Age (year) | ||
| <60 | 76 | 40.9 |
| ≥60 | 110 | 59.1 |
| Gender | ||
| Male | 104 | 55.9 |
| Female | 82 | 44.1 |
| Smoking | ||
| No | 75 | 40.3 |
| Yes | 111 | 59.7 |
| Alcohol | ||
| No | 66 | 35.5 |
| Yes | 120 | 64.5 |
| Location | ||
| Tongue | 70 | 37.6 |
| Gingiva | 36 | 19.3 |
| Oral floor | 28 | 15.1 |
| Jaw | 25 | 13.4 |
| Buccal mucosa | 15 | 8.1 |
| Others | 12 | 6.5 |
| Grade | ||
| Well | 84 | 45.2 |
| Moderate | 74 | 39.8 |
| Poor | 28 | 15.0 |
| Primary tumor | ||
| T1 | 90 | 48.4 |
| T2 | 56 | 30.1 |
| T3 | 26 | 14.0 |
| T4a | 14 | 7.5 |
| Lymph node metastasis | ||
| N0 | 135 | 72.6 |
| N1 | 37 | 19.9 |
| N2 | 14 | 7.5 |
| TNM stage | ||
| I | 82 | 44.1 |
| II | 48 | 25.8 |
| III | 39 | 21.0 |
| IVA | 17 | 9.1 |