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Plasma biomarkers levels across diagnosis groups. Plasma biomarkers levels across diagnosis groups including a, Aβ ratio; b, p-tau181; c, NfL; d, GFAP; e, sTREM2; and f, YKL-40. P-values were obtained through one-way ANCOVA followed by post hoc Tukey’s test, adjusting for multiple comparisons. Significant differences (P < 0.05) are reported. The effect size was determined using Cohen’s d. Boxplots display the median, IQR, and value for all participants
