Table 1 MS according to Poser criteria in the total cohort and in the two subsets of patients fulfilling and not fulfilling the MRI component of the McDonald criteria at 12 months

VariableCDMS first yearCDMS second yearCDMS third year
Values are expressed as n/N (%).
CDMS = clinically definite MS.
Total cohort15/139 (11)30/122 (24)38/86 (44)
Not fulfilling MRI (McDonald at 12 mo)5/88 (6)10/77 (13)10/51 (20)
MS according to MRI (McDonald at 12 mo)10/51 (20)20/45 (44)28/35 (80)