Quantitative susceptibility mapping in multiple sclerosis: A systematic review and meta-analysis.

As for the relationship between putamen susceptibility and EDSS, the pooled effect size decreased, but the effect remained almost significant ( r = 0.25, 95 % CI = 0.00–0.47, p = 0.05, I 2 = 61 %) (see Appendix 12 for forest plots).

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