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Table 4 Comparison of different VDR c.1056A > G and c.1025-49C > A gene variants regarding main clinical parameters in MS patients

From: Investigating the role of VDR gene variants in multiple sclerosis susceptibility: a case–control study in Egypt

Gene

n

Age

Age at onset

Duration of illness (years)

EDSS score

Total no. of attacks

Mean ± SD

Mean ± SD

Median (IQR)

Median (IQR)

Median (IQR)

VDR c.1056A > G

A/A

12

30.3 ± 10

26.3 ± 9.6

2 (1.75–4.25)

2.75 (1–5.625)

3 (2–4.25)

A/G

23

30.7 ± 8.5

24.6 ± 8.1

5 (2–9)

1.5 (1–3.75)

3.5 (2–5)

G/G

15

32.3 ± 9.3

25.7 ± 6.6

6 (3–8.5)

2.5 (1–4.75)

3 (2.5–4.5)

P-value

  

0.738*

0.601*

0.240**

0.712**

0.855**

VDR c.1025-49C > A

A/A

26

29.7 ± 7.6

23.6 ± 5.6

6 (1.25–8.75)

2.5 (1.125–5.875)

3 (2–5)

A//C

18

32.3 ± 9.2

26.7 ± 8.8

4 (2–6.75)

1.25 (1–3.5)

3 (2–4.75)

C/C

6

33.3 ± 13.5

28.8 ± 12.7

4 (2.5–6.25)

1.5 (1–3.5)

3.5 (3–4.75)

P-value

  

0.599*

0.471*

0.887**

0.339**

0.856**

  1. A: adenine, C: cytosine, G: guanine, EDSS: Expanded Disability Status Scale, no: number, IQR: interquartile range, *P value from ANOVA test, **P value from Kruskal–Wallis test