Fig. 2.

Dot plots of individual markers and ratios. Dot plots showing individual biomarker levels in each subgroup. a amyloid-beta of 42 amino acids (Aβ _1–42); b total tau protein (t-tau); c tau protein phosphorylated at threonine 181(p-tau ₁₈₁); d non-phosphorylated tau fraction (p-tau _rel); e Aβ_1–42/t-tau; f Aβ_1–42/p-tau₁₈₁; g Aβ_1–42/p-tau_rel; h p-tau₁₈₁/t-tau; i p-tau₁₈₁/p-tau_rel. Lines indicate median with interquartile range. AD Alzheimer’s disease, CJD Creutzfeldt-Jakob disease, DLB dementia with Lewy bodies, FTLD frontotemporal lobar degeneration