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

15684

Medication 31 (rxnormid31)

Valid: 56

Mean: 61.05

var_std: 7.04

Range: -

Format: Numeric

Question pretext

[anymeds] = '1'

Notes

Field Note : No RXCUI code available = 0

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