Factors | N | Factors | N |
---|---|---|---|
Origin | Â | Age | Â |
  Buccal | 47 |   ≤30 | 2 |
  Tongue | 35 |   31-40 | 18 |
  Gum | 8 |   41-50 | 37 |
  Lip | 6 |   51-60 | 30 |
  Palate | 5 |   61-70 | 16 |
  Retromolar trigone | 4 |   ≥71 | 5 |
  Mouth floor | 3 | Smoking |  |
Gender |  |   Ever | 86 |
  Male | 104 |   Never | 18 |
  Female | 4 |   Unknown | 4 |
T classification | Â | Alcohol | Â |
  1 | 38 |   Ever | 50 |
  2 | 36 |   Never | 50 |
  3 | 6 |   Unknown | 8 |
  4 | 28 | Betel nut |  |
N classification |  |   Ever | 78 |
  0 | 72 |   Never | 22 |
  1 | 15 |   Unknown | 8 |
  2 | 21 | Radiation |  |
  3 | 0 |   Received | 66 |
TNM staging |  |   Not received | 33 |
  1 | 30 |   Unknown | 9 |
  2 | 24 | Chemotherapy |  |
  3 | 13 |   Received | 52 |
  4 | 41 |   Not received | 46 |
 |  |   Unknown | 10 |