Table 1 Patient characteristics.

From: Comparison of orofacial pain of patients with different stages of precancer and oral cancer

Variables

Precancer (N = 37)

OSCC (N = 124)

Recurrence (N = 21)

Age

 <50 years

6

26

3

 > = 50 years

31

98

18

Sex

 Male

28

103

17

 Female

9

21

4

Occupation

 Unemployed

26

81

16

 Employed

11

43

5

Marital status

 Unmarried

3

11

1

 Married

34

113

20

Education level

 None

3

9

2

 Elementary

5

25

7

 Junior high

14

36

4

 Senior high

13

43

7

 College and above

2

11

1

Lifestyle habits

 Smoking

29

89

15

 Alcohol

16

62

7

 Betel nut

13

33

5