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BDS Identifier Variables
BDS Identifier Variables

Pagenav

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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, ADSL STUDYID, and/or STUDYID from another ADaM or SDTM dataset appropriate to the analysis.

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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, ADSL.USUBJID, and/or USUBJID from another ADaM or SDTM dataset appropriate to the analysis.

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SUBJID

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Subject Identifier for the Study

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Char

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Perm

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DM.SUBJID, ADSL.SUBJID, and/or SUBJID from another ADaM dataset appropriate to the analysis. SUBJID is required in ADSL, but permissible in other datasets.

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SITEID

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Study Site Identifier

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Char

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Perm

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DM.SITEID, ADSL.SITEID, and/or SITEID from another ADaM dataset appropriate to the analysis. SITEID is required in ADSL, but permissible in other datasets.

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ASEQ

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Analysis Sequence Number

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Num

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Perm

Sequence number given to ensure uniqueness of subject records within an ADaM dataset. As long as values are unique within a subject within the dataset, any valid number can be used for ASEQ. ASEQ uniquely indexes records within a subject within an ADaM dataset.

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