Table 3. Patients clinical characteristics.
| Variable | Number | Frequency (%) |
|---|---|---|
| Sex | ||
| Male | 44 | 71 |
| Female | 18 | 29 |
| T stage | ||
| Unknown | 10 | 16 |
| 1 | 12 | 19 |
| 2 | 8 | 13 |
| 3 | 9 | 15 |
| 4 | 23 | 37 |
| N stage | ||
| Unknown | 13 | 21 |
| 0 | 31 | 50 |
| 1 | 2 | 3 |
| 1c | 1 | 2 |
| 2 | 3 | 5 |
| 2b | 7 | 11 |
| 2c | 3 | 5 |
| 3 | 2 | 3 |
| M stage | ||
| Unknown | 21 | 34 |
| 0 | 41 | 66 |
| Differentiation | ||
| Unknown | 30 | 48 |
| High Grade Dysplasia | 1 | 2 |
| 1 | 5 | 8 |
| 2 | 5 | 8 |
| 3 | 21 | 34 |
| Keratinization | ||
| Unknown | 32 | 52 |
| No | 10 | 16 |
| Yes | 20 | 3(Continued )2 |
| Inflammation | ||
| Unknown | 39 | 63 |
| 0 | 11 | 18 |
| 1 | 4 | 6 |
| 2 | 8 | 13 |
| Surgery | ||
| Unknown | 4 | 6 |
| Surgery | 39 | 63 |
| No surgery | 19 | 31 |
| Radiotherapy | ||
| Unknown | 5 | 8 |
| Radiotherapy | 38 | 61 |
| No radiotherapy | 19 | 31 |
| Chemotherapy | ||
| Unknown | 5 | 8 |
| Chemotherapy | 14 | 23 |
| No chemotheapy | 43 | 69 |