Fig. 3

Biomarkers by clinical diagnosis and Aβ pathology. a–c CSF P-tau, VILIP-1, and YKL-40 in different combinations of clinical diagnosis and Aβ pathology. Biomarker levels are standardized to z-scores. Abbreviations: VILIP-1, Visinin-like protein-1; YKL-40, Chitinase-3-like protein 1; CN, cognitively normal; sMCI, stable mild cognitive impairment; pMCI, progressive mild cognitive impairment; AD, Alzheimer’s disease