Clinical and demographic data of multiple sclerosis (MS) patients and healthy control subjects.

<p>SD = Standard Deviation; IQ = Interquartile Range; EDSS = Expanded Disability Status Scale; MSSS = Multiple Sclerosis Severity Score; FSS = Fatigue Severity Scale; DMD = Disease Modifying Drugs; ISA = immunosuppressive agents.</p

Characteristics of the case-control studies on CCSVI and MS.

<p>NE = not estimable; SD = Standard Deviation; HC = healthy controls; OD = other diseases;</p

Number of CCSVI criteria in cases and controls.

<p>p = 0.57 (chi-square for trend test).</p

Prevalence of CCSVI criteria in cases and controls (N, %).

<p>Prevalence of CCSVI criteria in cases and controls (N, %).</p

Prevalence of CCSVI criteria by age-groups (N, %).

<p>p = 0.09 for cases and 0.80 for controls (chi-square for trend test).</p