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| (AuditRecord?, Signature?, Annotation*, (ItemData* | ItemData[TYPE]*)) |
Attributes:
| ItemGroupOID | oidref | Reference to the ItemGroupDef. | |
| ItemGroupRepeatKey | repeatKey | (optional) | A key used to distinguish between repeats of the same type of item group within a single form. |
| TransactionType | (Insert | Update | Remove | Upsert | Context) | (optional) | The TransactionType attribute need not be present in a Snapshot document. |
| ItemGroupDataSeq | integer | (optional) | Unique sequence # for each ItemGroupData child element (record) in the container element. |
Contained in: FormData StudyEventData,
Clinical data for an item group (record). The model supports nested and repeating item groups in a single form (for example, when several previous hospitalizations are reported in one history), or within reference data.
The ItemGroupOID and ItemGroupRepeatKey are used together to identify a particular item group. This pair of values uniquely identifies an ItemGroup within the containing FormStudyEvent. The ItemGroupRepeatKey is present if and only if the ItemGroupDef is repeating.
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