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(A–H) Cross-sectional associations of plasma p-tau181 with cognition and neuroimaging biomarkers. Plasma p-tau181 is categorized into three 33% terciles: low < 12.03 pg/ml, medium 12.04–19.63 pg/ml, and high > 19.65 pg/ml. Significant correlations (p < 0.05) are indicated by “*” in different levels of plasma p-tau181.
