Fig. 1

(A). Blood levels of NK cells in ALS (n = 92), PLS (n = 21) and PPMS(n = 37). Data are expressed as median with IQR. p, Kruskal-Wallis One-Way ANOVA on Ranks with a post-hoc Dunn’s analysis. (B) Histogram showing the different levels of the NK cells in the three groups (ALS, PLS and PPMS)