Fig. 5From: Four subgroups based on tau levels in Alzheimer’s disease observed in two independent cohortsChanges over time in t-tau and p-tau levels, stratified for tau subgroup and cognitive state. Changes in t-tau levels are shown in (a) and in p-tau levels in (b). Left, ADNI Luminex; right, ADNI Elecsys. See Table 7 for statistical descriptions. NC, normal cognition; MCI, mild cognitive impairment; AD dementia, AD-type dementiaBack to article page