Fig. 6From: Four subgroups based on tau levels in Alzheimer’s disease observed in two independent cohortsComparison of t-tau and p-tau subgroups in tau PET uptake according to Braak stages. Tau PET uptake for t-tau subgroups are shown in (a) and for p-tau subgroups in (b). Left, ADNI Luminex; right, ADNI Elecsys. See Table 9 for statistical descriptions. SUVr, standardized uptake value ratioBack to article page