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. Author manuscript; available in PMC: 2010 Nov 1.
Published in final edited form as: Arch Neurol. 2010 Aug;67(8):949–956. doi: 10.1001/archneurol.2010.179

Table 4.

CSF Aβ1–42 and CSF P-Tau181P Biomarker Levels in Subjects With the AD Mixture Model Feature Contrasted With the Mean Values of the Mixture Model Feature

Mean (% AD Trajectory), pg/mL
Mixture Model Feature
 Clinical Diagnosis Group for Subjects With AD Feature
Healthy AD Normal MCI AD
CSF Aβ1–42 concentration 239 135 142 (93) 134 (101) 133 (102)
CSF P-Tau181P concentration (log transformed) 1.28 1.57 1.46 (62) 1.58 (103) 1.60 (110)

Abbreviations: AD, Alzheimer disease; CSF Aβ1–42, cerebrospinal fluid–derived β-amyloid protein 1–42; CSF P-Tau181P, cerebrospinal fluid–derived phosphorylated tau181P.