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The prognostic value of blood-based p-tau217 levels on progression to clinical impairment

2026-02-09 neurology Title + abstract only
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Plasma p-tau217 closely tracks amyloid-{beta} (A{beta}) pathology, yet its ability to predict long-term clinical progression in cognitively unimpaired (CU) adults remains uncertain. We analyzed harmonized data from 2,705 CU participants (Agemean=69.8{+/-}7years; Female=63%) across six longitudinal cohorts with up to 13.5 years of follow-up. Cox models evaluated associations between p-tau217 and progression to a clinical diagnosis of cognitive impairment, while natural cubic spline models assesse...

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