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ADaM

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ADSL Identifier Variables

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Variable Name

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Variable Label

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Type

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Codelist/ Controlled Terms

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Core

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CDISC Notes

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STUDYID

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Study Identifier

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Char

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Req

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DM.STUDYID

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USUBJID

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Unique Subject Identifier

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Char

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Req

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DM.USUBJID

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Subject Identifier for the Study

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Char

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Req

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ADSL

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SITEID

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Study Site Identifier

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Char

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Req

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DM.SITEID. SITEID is required in ADSL, but permissible in other datasets.

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SITEGRy

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Pooled Site Group y

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Char

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Perm

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Character description of a grouping or pooling of clinical sites for analysis purposes. For example, SITEGR3 is the name of a variable containing site group (pooled site) names, where the grouping has been done according to the third site grouping algorithm, defined in variable metadata; SITEGR3 does not mean the third group of sites.

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SITEGRyN

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Pooled Site Group y (N)

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Num

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Perm

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Numeric representation of SITEGRy. There must be a one-to-one relationship between SITEGRyN and SITEGRy within a study.

SITEGRyN cannot be present unless SITEGRy is also present. When SITEGRy and SITEGRyN are present, then on a given record, either both must be populated or both must be null.

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REGIONy

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Geographic Region y

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Char

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Perm

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Character description of geographical region. For example, REGION1 might have values of "Asia",

"Europe", "North America", "Rest of World"; REGION2 might have values of "United States", "Rest of World".

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REGIONyN

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Geographic Region y (N)

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Num

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Perm

Numeric representation of REGIONy. Orders REGIONy for analysis and reporting.There must be a one-to- one relationship between REGIONyN and REGIONy within a study.

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Identifier Variables

Pagenav