Genotypes/alleles

Total score of grades of disc degeneration

5 (n = 56)

n (%)

6 - 7 (n= 50)

n (%)

8 - 9 (n = 32)

n (%)

≥10 (n = 31)

n (%)

P

Adjusted

p value

VDR Fok1

FF

30 (53.6)

27 (54)

20 (62.5)

18 (58.1)

Ff

18 (32.1)

16 (32)

10 (31.5)

11 (35.5)

0.4

0.53

ff

8 (14.3)

7 (14)

2 (6)

2 (6.4)

Dominant model

FF + Ff

48 (85.7)

43 (86)

30 (94)

29 (93.6)

ff

8 (14.3)

7 (14)

2 (6)

2 (6.4)

0.07

0.1.1

Recessive model

FF

30 (53.6)

27 (54)

20 (62.5)

18 (58.1)

Ff + ff

26 (46.4)

23 (46)

12 (37.5)

13 (41.9)

0.5

0.64

F allele

78 (69.6)

70 (70)

50 (78.1)

47 (75.9)

0.6

f allele

34 (30.4)

30 (30)

14 (21.9)

15 (24.1)

0.5

0.7

Vit D (ng/ml)

(mean ± SD)

22.4 ± 5.4

21.9 ± 5.6

21.3 ± 6.2

20.2 ± 6

0.37

(mean ± SD)

0.62

VDR mRNA level

(mean ± SD)

3.2 ± 0.6

3.3 ± 0.5

2.9 ± 0.9

2.8 ± 0.85

0.16

0.25