Table 1 Characteristics of the study subjects and samples

Age (y)

44.4

17.1

Gender

   Males

51

92.7

   Females

4

7.3

Personal habits

   Tobacco use

Tobacco

16

29.1

Tobacco + lime

33

60.0

Snuff

2

3.6

   Betel nut

Smoking

35

63.6

Bidi

6

10.9

   Cigarettes

2

03.6

   Alcohol

11

20.0

Number of samples

   1

14

25.5

   2

38

69.1

   3

3

5.5

Location of lesion

   Tongue

5

5.1

   Palate

1

1.1

   Buccal mucosa

70

70.7

   Buccal vestibule

10

10.1

   Commensural Mucosa

7

7.1

   Retromolar area

1

1.0

   Labial vestibule

5

5.1