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Table 1 Patients’ characteristics at baseline a

From: Vitamin D supplementation for patients with multiple sclerosis treated with interferon-beta: a randomized controlled trial assessing the effect on flu-like symptoms and immunomodulatory properties

 

Low dose group

High dose group

p value

800 IU/d

4,370 IU/d

N = 21

N = 24

Age (years)

44.7 ± 10.7

43.1 ± 12.3

0.7 b

43.6 (26.7-63.9)

43.1 (21.7-63.7)

Gender (Male/Female)

F 13 (62%)

F 19 (79%)

0.2 c

M 8 (38%)

M 5 (21%)

Time from MS diagnosis (years)

9.3 ± 7.4

6 ± 5.7

0.08 d

8.1 (0.4-32.9)

3.4 (0.3-19.1)

IFN-β treatment duration (months)

61.3 ± 46

38.9 ± 32.5

0.1 d

59.1 (3.1-144.1)

23.4 (1.2-96.7)

EDSS

3.6 ± 2.2

2.9 ± 2.0

0.4 d

4.5 (0–7)

2.5 (0–7)

Patients with relapses during the year preceding randomization

6/21 (28.6%)

8/24 (33.3%)

0.7 c

Annualized relapse rate during the year preceding randomization

0.38 ± 0.26

0.28 ± 0.23

0.6 e

  1. a. Summary statistics are mean ± standard deviation and median (range).
  2. b. Student’s t-test.
  3. c. Chi square test.
  4. d. Mann–Whitney test.
  5. e. Mid-P exact test.