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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
14104

IVP Q3a./FVP Q3b. What major adverse events associated with treatments expected to modify ADRD biomarkers did they experience? (select all that apply) (loc_adevent)

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

Overview

Valid: 52
Range: -
Format:

Questions and instructions

Question pretext
[advevent]='1'
Categories
Value Category Cases
3a1 Amyloid related imaging abnormalities-edema (ARIA-E) 23
44.2%
3a2 Amyloid related imaging abnormalities-hemorrhage (ARIA-H) 21
40.4%
3a3 Other issues 8
15.4%
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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