Tau
Tau - Variable Definition Table:
Field Name |
Description |
Field Values |
Variable Summary |
|---|---|---|---|
| Test Name | Name of the biospecimen test | Tau |
Analysis of Abeta, Tau, p-Tau in Cerebrospinal Fluid |
Tables that Reference this Variable:
- Biospecimen analysis_CSF_abeta_tau_ptau
Data Type Information:
Field Name |
Type |
Mode |
|---|---|---|
| test_name | ENUMERATION | REQUIRED |
Curation Notations:
U01, U02 – Unscheduled Visit 1 and 2 were aligned with closest to scheduled visit month difference calculated between dates of Baseline (M0) and unscheduled visit using INFODT. In “Biospecimen_analyses_CSF_abeta_tau_ptau.csv” and “DaTSCAN_SBR.csv” unscheduled visits are manually replaced (after transform1 automatic run) by “visit_name” from “PPMI Unexpected Visit Listings - DATSCAN and CSF data_May2019.xlsx” provided by Clinical Trials Statistical & Data Management Center, University of Iowa.