Absolute and percentage change from baseline in T25FW between responders and nonresponders independent of treatment group over shorter-term (6–8 months) and longer-term (24–30 months) follow-up in disabled subjects with RRMS and SPMS.

aIn seconds. T25FW, timed 25-foot walk; RRMS, relapsing-remitting multiple sclerosis; SPMS, secondary progressive MS; SD, standard deviation.