SDTM.BE

Variable_order	Dataset_name	Variable_name	Variable_label	Type	Codelist	Role	Core	CDISC_notes
1	BE	STUDYID	Study Identifier	Char		Identifier	Req	Unique identifier for a study.
2	BE	DOMAIN	Domain Abbreviation	Char		Identifier	Req	Two-character abbreviation for the domain.
3	BE	USUBJID	Unique Subject Identifier	Char		Identifier	Req	Identifier used to uniquely identify a subject across all studies for all applications or submissions involving the product.
4	BE	SPDEVID	Sponsor Device Identifier	Char		Identifier	Perm	Sponsor-defined identifier for a device.
5	BE	BESEQ	Sequence Number	Num		Identifier	Req	Sequence number to ensure uniqueness of records within a dataset for a subject. May be any valid number (including decimals) and does not have to start at 1.
6	BE	BEGRPID	Group ID	Char		Identifier	Perm	Optional group identifier, used to link together a block of related records within a subject in a domain.
7	BE	BEREFID	Reference ID	Char		Identifier	Exp	Internal or external identifier for the specimen affected or created by the event.
8	BE	BESPID	Sponsor-Defined Identifier	Char		Identifier	Perm	Optional sponsor-defined reference number. Example: Line number on a CRF page.
9	BE	BETERM	Reported Term for the Biospecimen Event	Char		Topic	Req	Topic variable for an event observation, which is the verbatim or pre-specified name of the event.
10	BE	BEMODIFY	Modified Reported Term	Char		Synonym Qualifier	Perm	If the value for BETERM is modified for coding purposes, then the modified text is placed here.
11	BE	BEDECOD	Dictionary-Derived Term	Char	C124297	Synonym Qualifier	Perm	Dictionary-derived text description of BETERM or BEMODIFY, if applicable.
12	BE	BECAT	Category for Biospecimen Event	Char		Grouping Qualifier	Perm	Used to define a category of topic-variable values. Example: COLLECTION, PREPARATION, TRANSPORT.
13	BE	BESCAT	Subcategory for Biospecimen Event	Char		Grouping Qualifier	Perm	A further categorization of BECAT values.
14	BE	BELOC	Anatomical Location of Event	Char	C74456	Record Qualifier	Perm	Describes the anatomical location relevant for the event (e.g. BRAIN, LUNG).
15	BE	BEPARTY	Accountable Party	Char		Record Qualifier	Perm	Party accountable for the transferable object (e.g. specimen) as a result of the activity performed in the associated BETERM variable. The party could be an individual (e.g., subject), an organization (e.g., sponsor), or a location that is a proxy for an individual or organization (e.g., site). It is usually a somewhat general term that is further identified in the BEPRTYID variable.
16	BE	BEPRTYID	Identification of Accountable Party	Char		Record Qualifier	Perm	Identification of the specific party accountable for the transferable object (e.g. Specimen) after the action in BETERM is taken. Used in conjunction with BEPARTY.
17	BE	VISITNUM	Visit Number	Num		Timing	Exp	Clinical encounter number. Numeric version of VISIT, used for sorting.
18	BE	VISIT	Visit Name	Char		Timing	Perm	Protocol-defined description of clinical encounter.
19	BE	VISITDY	Planned Study Day of Visit	Num		Timing	Perm	Planned study day of VISIT. Should be an integer.
20	BE	BEDTC	Date/Time of Specimen Collection	Char	ISO 8601 datetime or interval	Timing	Exp	Date and time of specimen collection.
21	BE	BESTDTC	Start Date/Time of Biospecimen Event	Char	ISO 8601 datetime or interval	Timing	Exp	Start date/time of the event.
22	BE	BEENDTC	End Date/Time of Biospecimen Event	Char	ISO 8601 datetime or interval	Timing	Exp	End date/time of the event.
23	BE	BESTDY	Study Day of Start of Biospecimen Event	Num		Timing	Perm	Actual study day of start of observation expressed in integer days relative to the sponsor-defined RFSTDTC in Demographics.
24	BE	BEENDY	Study Day of End of Biospecimen Event	Num		Timing	Perm	Actual study day of end of observation expressed in integer days relative to the sponsor-defined RFSTDTC in Demographics.
25	BE	BEDUR	Duration of Biospecimen Event	Char	ISO 8601 duration	Timing	Perm	Collected duration and unit of a biospecimen event. Used only if collected on the CRF and not derived from start and end date/times. Example: P1DT2H (for 1 day, 2 hours).