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Table 1 Example of duplicated data elements in ADNI

From: Mapping of Alzheimer’s disease related data elements and the NIH Common Data Elements

Phase

FLDNAME

TBLNAME

CRFNAME

TEXT

TYPE

LENGTH

CODE

UNITS

ADNI1

HMSTEPWS

MODHACH

Modified Hachinski

2. Stepwise Deterioration of Dementia

N

1

1=Present - 1 point; 0=Absent

 

ADNIGO

HMSTEPWS

MODHACH

Modified Hachinski

2. Stepwise Deterioration of Dementia

N

1

1=Present - 1 point; 0=Absent

 

ADNI2

HMSTEPWS

MODHACH

Modified Hachinski

2. Stepwise Deterioration of Dementia

N

1

1=Present - 1 point; 0=Absent

 

ADNI3

HMSTEPWS

MODHACH

Modified Hachinski

2. Stepwise Deterioration of Dementia

N

 

0=Absent;1=Present - 1 point

 
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BMC Medical Informatics and Decision Making

ISSN: 1472-6947

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