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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
11577

26a. Cognitive impairment due to other neurologic, genetic, infectious conditions (not listed above), or systemic disease/medical illness (as indicated on Form A5/D2) (primary/contributing/non-contributing) (othcillif)

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

Overview

Valid: 59
Range: -
Format:

Questions and instructions

Question pretext
[loc_othcogill(1)] = 1
Categories
Value Category Cases
1 Primary 19
32.2%
2 Contributing 16
27.1%
3 Non-contributing 24
40.7%
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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