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

12428

Study Description
Data Dictionary

Sum for mocatots (loc_sum_mocatots)

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

Overview

Valid: 53

Mean: 52.65

var_std: 18.76

Range: -

Format: Numeric

Others

Notes

Calculated : if([loc_c2_or_c2t]='C2' and [mocacomp]='1', sum([mocatrai]+[mocacube]+[mocacloc]+[mocaclon]+[mocacloh]+[mocanami]+[mocadigi]+[mocalett]+[mocaser7]+[mocarepe]+[mocaflue]+[mocaabst]+[mocarecn]+[mocaordt]+[mocaormo]+[mocaoryr]+[mocaordy]+[mocaorpl]+[mocaorct]), '')

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