SAS

SDS

Positive

Negative

Positive

Negative

Total (n, %)

13 (21.31)

48 (78.69)

19 (31.15)

42 (68.85)

Gender

Male

9

23

5

27

Female

4

25

14

15

c² = 1.863

p = 0.172

c² = 7.562

p = 0.006^*

Age

<30

2

24

3

23

≥30

11

24

16

19

c² = 5.012

p = 0.025^*

c² = 8.125

p = 0.004^*

Marital status

Married

12

34

18

28

Unmarried

1

14

1

14

c² = 1.518

p = 0.218

c² = 4.148

p = 0.042^*

Domicile

Rural

8

28

13

23

Urban

5

20

6

19

c² = 20.043

p = 0.835

c² = 1.009

p = 0.315

Income per month ($)

<500

6

28

11

23

≥500

7

20

8

19

c² = 0.615

p = 0.433

c² = 0.052

p = 0.820

Occupation

Farming

7

20

9

18

Skilled worker

4

24

7

21

Unemployed

0

2

0

2

Professional

2

2

4

0

c² = 3.867

p = 0.276

c² = 9.950

p = 0.019^*

Education

Illiterate

1

0

1

0

Primary

1

6

3

4

Secondary

2

9

7

4

High School Certificate

6

15

3

18

Bachelor

3

18

5

16

c² = 5.241

p = 0.263

c² = 11.383

p = 0.023^*

VHL patients

Yes

2

8

8

2

No

11

40

11

39

c² = 0.000

p = 1.000

c² = 10.413

p = 0.001^*

Relative with the VHL patients

First degree relatives

9

20

14

15

others

4

28

5

27

c² = 3.116

p = 0.078

c² = 7.562

p = 0.006^*