Table 1.
Clinicopathological characteristic of study population.
| Age | |||||
| Range | 33–98 | ||||
| Mean | 65,34 | ||||
| Sex | |||||
| Male | 289 | ||||
| Female | 85 | ||||
| Ethnic group | |||||
| Caucasian White | 286 | ||||
| American White | 61 | ||||
| Hispanic | 19 | ||||
| American Black | 8 | ||||
| Site | |||||
| Trigonous (Tr) | 14 | ||||
| Tongue (T) | 168 | ||||
| Gums (G) | 18 | ||||
| Cheek (C)* | 34 | ||||
| Lip (L) | 29 | ||||
| Bone Involvement (BI)** | 23 | ||||
| Oropharynx (OP) | 4 | ||||
| Palate (P) | 12 | ||||
| Floor of the mouth (FOM) | 46 | ||||
| Multiple sites (MS)*** | 11 | ||||
| Metastasis (Met)**** | 15 | ||||
| Total | 374 | ||||
| Maximum diameter (cm) | |||||
| <2 cm | 102 | ||||
| >2 cm | 272 | ||||
|
| |||||
| TNM staging | |||||
|
| |||||
| T | N0 M0 | N0 M1 | N1 M0 | N1 M1 | Total |
|
| |||||
| T1 | 86 | 3 | 25 | 3 | 117 |
| T2 | 72 | 0 | 57 | 7 | 136 |
| T3 | 13 | 0 | 29 | 8 | 50 |
| T4 | 25 | 1 | 39 | 6 | 71 |
| Total | 196 | 4 | 150 | 24 | 374 |
|
| |||||
| Stage | |||||
| St1 | 86 | ||||
| St2 | 72 | ||||
| St3 | 124 | ||||
| St4 | 92 | ||||
| Histologic grade | |||||
| G1 | 62 | ||||
| G2 | 188 | ||||
| G3 | 124 | ||||
| Follow-up | |||||
| Alive | 142 | ||||
| Dead for disease | 207 | ||||
| Dead for other causes | 25 | ||||
| Local recurrence | |||||
| No | 215 | ||||
| Yes | 159 | ||||
| Therapy | |||||
| CH | 233 | ||||
| CH-RT/CH-RT-CHT | 59 | ||||
| RT | 82 | ||||
Legend: *Cheek includes gingival mucosa.
**Bone involvement of mandible or upper alveolar process.
***Multiple sites includes FM + Tr, T + Tr, T + G, C + L, T + C, T + L.
****Metastases analyzed without primary tumors due to not operable advanced stages primary cancer.