Results of skin examination at the first evaluation. The number of patients experiencing ISRs at the first evaluation was recorded for each therapy. At the first evaluation examination, patients had been on their current DMT for at least 2 years. *P < 0.0001 vs IM IFNβ-1a; chi-square test. †
P = 0.016 vs SC IFNβ-1b; P < 0.001 vs SC IFNβ-1a; P = NS vs IM IFNβ-1a; chi-square test.