Table 1.
Patients characteristics by subsite of floor of the mouth.
| Anterior type | Posterior type | p value | |
|---|---|---|---|
| (N = 32) | (N = 30) | ||
| Sex, N (%) | |||
| Male | 31 (96.9) | 22 (73.3) | 0.01 |
| Female | 1 (3.1) | 8 (26.7) | |
| Age (years) | |||
| Median (range) | 65.5 (31–84) | 62.5 (29–77) | 0.17 |
| Brinkman index | |||
| Median (range) | 920 (0–2000) | 500 (0–2280) | 0.04 |
| Sake index | |||
| Median (range) | 76.5 (0–462) | 76.0 (0–285) | 0.60 |
| UICC stage, N (%) | |||
| I | 8 (25.0) | 10 (33.3) | 0.64 |
| II | 13 (40.6) | 14 (46.7) | |
| III | 5 (15.6) | 2 (6.7) | |
| IVA | 6 (18.8) | 4 (13.3) | |
| Histological differentiation, N (%) | |||
| Well | 16 (50.0) | 15 (50.0) | 1.00 |
| Moderately | 14 (43.8) | 13 (43.3) | |
| Poorly | 2 (6.2) | 2 (6.7) | |
| Neck dissection, N (%) | |||
| Not performed | 13 (40.6) | 10 (33.3) | 0.19 |
| Elective neck dissection | 7 (21.9) | 14 (46.7) | |
| Therapeutic neck dissection | 9 (28.1) | 4 (13.3) | |
| Subsequent neck dissection | 3 (9.4) | 2 (6.7) |
UICC, Union for International Cancer Control.