Fig. 2From: Four subgroups based on tau levels in Alzheimer’s disease observed in two independent cohortsT-tau and p-tau subgroup comparisons within each cohort, stratified for cognitive state. Left, ADC; middle, ADNI Luminex; right, ADNI Elecsys. Comparisons for MMSE are shown in (a), for age in (b), for proportion female in (c) and for proportion of APOE-e4 carriers in (d). See Table 3 for statistical descriptions. NC, normal cognition; MCI, mild cognitive impairment; AD dementia, AD-type dementiaBack to article page