Genotypes/alleles | Total score of grades of disc degeneration |
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| 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) |
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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) |
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Dominant model |
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FF + Ff | 48 (85.7) | 43 (86) | 30 (94) | 29 (93.6) |
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ff | 8 (14.3) | 7 (14) | 2 (6) | 2 (6.4) | 0.07 | 0.1.1 | |
Recessive model |
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FF | 30 (53.6) | 27 (54) | 20 (62.5) | 18 (58.1) |
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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 |
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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 |