Clinicopathological parameters IHC Total (n) (%)
Sex
Male
Female

108 (79)
28  (21)
Tobacco smoking
No
Yes
Not available

15 (12)
110 (88)
11
Alcohol consumption
No
Yes
Not available

25 (20)
100 (80)
11
Clinical stage
I and II
III and IV

36 (27)
100 (73)
Lymph nodes
N0
N1-3
  No lymph node dissection

57 (46)
66 (54)
13
Perineural invasion
No
Yes
Not available
  67 (55)
54 (45)
14
Vascular embolization
No
Yes
Not available

71 (58)
51 (42)
14
Histological grade
Well-differentiated
Poorly/moderately differentiated
Not available

105 (79)
28 (21)
03
Recurrence
 No
Yes

83 (64)
49 ( 36)
Table 1: Clinical and pathological characteristics of patients with OSCC.