Hvis man delte patientgruppen i to undergrupper (med og uden attakker i 2- års perioden før studiestart), fandt man ingen effekt på førligheden hos patienter uden attakker, men hos patienter med attakker blev andelen med forværret førlighed i slutningen af studiet reduceret fra 70% (placebo) til 57% (Rebif
If the patient population was divided into 2 subgroups (those with and those without relapses in the 2-year period prior to study entry), there was no effect on disability in patients without relapses, but in patients with relapses, the proportion with progression in disability at the end of the study was reduced from 70% (placebo) to 57% (Rebif 22 micrograms and