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Table 1 Baseline demographics and clinical data

From: The effect of intramuscular interferon beta-1a on spinal cord volume in relapsing-remitting multiple sclerosis

  Multiple sclerosis Normal controls p value
Number of subjects 16 11
Age (years) 47.7 ± 7.5 (34–58) 43.1 ± 7.9 (30–53) 0.15*
Women, number (%) 14 (88 %) 8 (73 %) 0.37**
Disease duration (years) 15.0 ± 10.3 (4–35)
Expanded Disability Status Scale score, median (range) 1.5 (0–2.5)
Timed 25-foot walk (seconds) 4.6 ± 0.7 (3–6)
Time on interferon β-1a (months) 68.3 ± 59.9 (4–156)
  1. Key: data are presented as mean ± standard deviation (range), unless otherwise indicated; disease duration = years from first symptoms; *two-sample t-test; **Fisher’s exact test