SNAP25 and Creutzfeldt Jacob disease: In the multivariate Cox regression, CSF SNAP-25 were significantly associated with survival in both the whole prion cohort (HR 1.71 [1.40–2.09], P < 0.001), and “typical CJD” (HR 1.52 [1.15–2.02], P = 0.003), but not in “non-MM(V)1 CJD”.