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.