Infusion* Day +7 Day +14 Day +21 Day +34 FB          SB mean     score N/M/H FB          SB mean     score N/M/H FB       SB mean   score N/M/H FB        SB mean   score N/M/H placebo (3) 3.3 5.5 no 3.3 4.0 no 3 4 no 3 4 no low cells (4) 3.0 5.5 no 3.0 4.0 no 3 4 no 3 4 no high cells (4) 3.0 5.0 no 3.0 4.0 no 3 4 no 3 4 no For abbreviations, see Table 1

Table 2: Long-term evaluation of clinical and neurological symptoms after intrathecal or placebo infusion of MSC.