Table 1 Characteristics of study subjects

From: Microsatellite mutations in buccal cells are associated with aging and head and neck carcinoma

 

Cases ( N =25)

Controls ( N =31)

Total ( N =56)

Age (median, range)

54 (31–73)

51 (36–82)

53 (31–82)

Sex

 Male

19

14

33

 Female

6

17

23

Race

 White

22

30

52

 Black

3

0

3

 Other

0

1

1

Tobacco use

 Never

3

10

13

 Former

6

11

17

 Current

16

10

26

Alcohol abuse a

 Yes

4

2

6

 No

21

29

50

Tumour site

 Oral cavity

10

N/A

N/A

 Oropharynx

4

  

 Larynx

10

  

 Hypopharynx

1

  

Treatment modalities

 Radiation therapy only

5

N/A

N/A

 Chemotherapy only

1

  

 Radiation and chemotherapy

9

  

 Surgery only

10

  
  1. aDefined as more than three glasses per day.