Fluid Biomarkers

CSF

Variable Label
Platform_CSF Immunoassay platform used for CSF biomarker measurement
AB42_RAW_CSF Raw AB42 CSF Biomarker Levels
PHC_AB42_CSF Harmonized Z-Score for AB42 CSF Biomarker Levels
Tau_RAW_CSF Raw Tau CSF Biomarker Levels
PHC_Tau_CSF Harmonized Z-Score for Tau CSF Biomarker Levels
pTau181_RAW_CSF Raw pTau181 CSF Biomarker Levels
PHC_pTau181_CSF Harmonized Z-Score for pTau181 CSF Biomarker Levels
AB42pTau181_Class_CSF A+/- and T+/- class as identified from CSF biomarker levels AB42 and pTau181
PHC_SCeNS_AB42_Score_CSF SymmetricCentipolar Normalized Score calculated from AB42 CSF Z-score
PHC_SCeNS_pTau181_Score_CSF SymmetricCentipolar Normalized Score calculated from pTau CSF Z-score

Plasma

Variable Label
Platform_Plasma Immunoassay platform used for Plasma biomarker measurement
AB40_RAW_Plasma Raw AB40 Plasma Biomarker Levels
PHC_AB40_Plasma Harmonized Z-Score for AB40 Plasma Biomarker Levels
AB42_RAW_Plasma Raw AB42 Plasma Biomarker Levels
PHC_AB42_Plasma Harmonized Z-Score for AB42 Plasma Biomarker Levels
Tau_RAW_Plasma Raw Tau Plasma Biomarker Levels
PHC_Tau_Plasma Harmonized Z-Score for Tau Plasma Biomarker Levels
pTau181_RAW_Plasma Raw pTau181 Plasma Biomarker Levels
PHC_pTau181_Plasma Harmonized Z-Score for pTau181 Plasma Biomarker Levels
pTau217_RAW_Plasma Raw pTau217 Plasma Biomarker Levels
PHC_pTau217_Plasma Harmonized Z-Score for pTau217 Plasma Biomarker Levels