highly significantp < 0.001
All parameters showed highly significant differences (p < 0.001) between the centres, with the exception of disease duration (p = 0.022).
All parameters showed highly significant differences (p < 0.001) between the centres, with the exception of disease duration (p = 0.022).
SP+PP) were more frequently CCSVI-positive, the difference reaching statistical significance in Centres 3 and 4 (a borderline significant difference, p = 0.055, was also found in Centre 2).