Table 1: Demographic/epidemiological characteristic of the study subjects.

CharacteristicsNumber (%)

Age
 Mean age56.5
 ≤5524 (40.0%)
 >5536 (60.0%)
Gender
 Female6 (10.0%)
 Male54 (90.0%)
Tobacco status
 Current smokers34 (58.6%)
 Exsmokers17 (29.3%)
 Nonsmokers7 (12.0%)
Alcohol
 Current consumers47 (78.3%)
 Exconsumers5 (8.3%)
 Nonconsumers8 (13.3%)
Tumor size
 T1 + T240 (70.1%)
 T3 + T417 (29.8%)
Nodal status
 N018 (32.1%)
 N1–N338 (67.8%)
Tumor stage
 I + II17 (28.3%)
 III + IV43 (71.6%)
Tumor grade
 G1 + G240 (70.2%)
 G317 (29.8%)
Tumor location
 Oropharyngeal55 (91.6%)
 Oral cavity5 (8.3%)