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Uniform Data Set version 4
UDSv4 - Template

United States
Reference ID
USDv4
Producer(s)
National Alzheimer’s Coordinating Center (NACC) and the NIA-funded ADRC network
Collections
Clinical Trial
Metadata
DDI/XML JSON
Created on
Jul 02, 2026
Last modified
Jul 07, 2026
Page views
14092

3. Has the participant ever experienced amyloid related imaging abnormalities-edema (ARIA-E), amyloid related imaging abnormalities-hemorrhage (ARIA-H), or other major adverse events associated with treatments expected to modify ADRD biomarkers? (advevent)

Data file: UDSv4TemplateForXMLD_2026-04-14_0731.REDCap.xml

Overview

Valid: 60
Range: -
Format:

Questions and instructions

Question pretext
[trtbiomark]='1'
Categories
Value Category Cases
0 No 43
71.7%
1 Yes 10
16.7%
9 Unknown 7
11.7%
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.
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