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

11819

(C2 Q11g/C2T Q12g) Total number of correct F-words and L-words (udsvertn)

Valid: 58

Mean: 59.16

var_std: 24.71

Range: -

Format: Numeric

Question pretext

([udsverfc]<>'' and [udsverfc]<41) and ([udsverlc]<>'' and [udsverlc]<41)

Notes

Calculated : if(([udsverfc]<>'' and [udsverfc]< 41) and ([udsverlc]<>'' and [udsverlc]< 41), sum([udsverfc],[udsverlc]),'')

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