CSF concentrations of 14-3-3 zeta/delta, and beta-synuclein in the pathology confirmed cases of Alzheimer’s disease (AD, n=63), Lewy body spectrum of disorders (LBD, n=21), and frontotemporal lobar degeneration (FTLD, n=53). From left to right; the groups are based on primary pathology group, ADNC (Not, Low, Intermediate [Int], High), CERAD score, and Braak stage. Statistical comparison was performed with rank-based ANCOVA adjusted for interval from CSF to death and sex. P-values: * P ≤ 0.05, ** P ≤ 0.01, *** P ≤ 0.001 and **** P ≤ 0.0001.