Uniform Data Set version 4
UDSv4 - Template

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

15281

Sum of D1a Conditions 27-32 marked as primary (loc_d1a_condset5)

Valid: 59

Mean: 56.72

var_std: 11.11

Range: -

Format: Numeric

Notes

Calculated : sum([loc_alcdemif],[loc_impsubif],[loc_medsif],[loc_cogothif],[loc_cogoth2f],[loc_cogoth3f])

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