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central

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
11582

9. Other biomarker modality - Was another biomarker modality used to support an etiological diagnosis?  (othbiom2)

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

Overview

Valid: 59
Range: -
Format:

Questions and instructions

Question pretext
[othbiom1]='1' or [othbiom1]='2'
Categories
Value Category Cases
0 No 4
6.8%
1 Yes, results were normal or abnormal 25
42.4%
2 Yes, results were indeterminate 30
50.8%
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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