Fig. 1
From: Characterization of Alzheimer’s tau biomarker discordance using plasma, CSF, and PET
Scatterplots reflecting concordance status between tau biomarkers. a Plasma/CSF group: plasma p-tau181 versus CSF p-tau181; b Plasma/PET group: plasma p-tau181 versus AV1451 PET. Color code represents tau biomarker categories, and shape indicates the clinical diagnosis. Solid lines delineate the thresholds for tau biomarkers. Dashed lines delineate a ± 5% interval from the thresholds. Abbreviations: CN, cognitively normal; CSF, cerebrospinal fluid; MCI, mild cognitive impairment; PET, positron emission tomography; p-tau181, tau phosphorylated at threonine 181; SUVR, standard uptake value ratio