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

12238

Study Description
Data Dictionary

ADCID (adcid)

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

Overview

Valid: 55

Mean: 23.10

var_std: 9.24

Range: -

Format: Numeric

Others

Notes

Field Note : Please enter your Center's ID. If you are unsure of it, you can reference <a target="_blank" <a style="font-size: 100%;" href="https://flywheel.naccdata.org/#/projects/65e1164c0fc1dd593aee4206/information?viewerParams=app%3D6630a5a1ea5c72e0e7fe216c;container%3D65e1164c0fc1dd593aee4206; "> this list of current ADCIDs </a> in the NACC Data Platform.

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