- Factors influencing the lymph node yield and recurrence rates.
| Variable | <31 LNY | >31 LNY | P-value | Recurrence present | Recurrence absent | P-value |
|---|---|---|---|---|---|---|
| Age (in years) (mean+SD) | 63+13.77 | 56.5+11.73 | 0.121 | 60.33+9.504 | 60.05+13.505 | 0.972 |
| Gender | ||||||
| Male | 13 | 14 | 0.209 | 4 | 23 | 0.284 |
| Female | 9 | 4 | 0 | 13 | ||
| Sites | ||||||
| Buccal mucosa | 2 | 2 | 0.519 | 1 | 3 | 0.920 |
| Tongue | 12 | 10 | 3 | 19 | ||
| Floor of mouth | 1 | 2 | 0 | 3 | ||
| Alveolus/mandible | 1 | 3 | 0 | 4 | ||
| Retromolar trigone | 3 | 0 | 0 | 3 | ||
| Lower lip | 1 | 0 | 0 | 1 | ||
| Hard palate | 1 | 1 | 0 | 2 | ||
| Gingiva | 1 | 0 | 0 | 1 | ||
| T stage | ||||||
| T1 | 6 | 3 | 0.416 | 0 | 9 | 0.830 |
| T2 | 11 | 6 | 2 | 15 | ||
| T3 | 1 | 1 | 0 | 2 | ||
| T4 | 4 | 7 | 2 | 9 | ||
| T5 | 0 | 1 | 0 | 1 | ||
| Treatment | ||||||
| Surgery | 11 | 10 | 0.532 | 1 | 20 | 0.458 |
| Surgery + chemotherapy | 0 | 1 | 0 | 1 | ||
| Surgery + radiotherapy | 9 | 5 | 3 | 11 | ||
| Surgery + Chemoradiotherapy | 2 | 3 | 0 | 4 | ||