Mean Age at presentation (years± SD) |
63± 13.9 |
Gender (n, %)
Male
Female
|
522 (74.4)
180 (25.6)
|
Active or ex-smokers (n,%)
Yes
No
|
393 (56)
309 (44)
|
Active or ex-drinkers (n, %)
Yes
No
|
209 (29.8)
493 (70.2)
|
Sites of primary malignancies (n, %)
Oral cavity
Larynx
Hypopharynx
Oropharynx
Paranasal sinuses and nasal cavity
|
356 (50.7)
126 (17.9)
110 (15.7)
74 (10.5)
33 (4.7)
|
Stages of primary malignancies (n, %)
Stage 1
Stage 2
Stage 3
Stage 4
|
162 (23.3)
92 (13.1)
89 (12.7)
357 (50.9)
|