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AnchorabstractsubgroupsabstractsubgroupsA sub-group represents stratification criteria that can be used to assign patients to study arms and assess study outcomes. Sub-group information is required for Complete trials only, and optional for Abbreviated trials.  Anchor

61276127Trials can have multiple sub-group records. Each record displays the following information about the disease or conditions:

Field

Definition

Code

Characters, or phrase used to identify the sub-group

Description

Stratification criteria

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titleCheck out the trial before you begin abstraction

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Anchor
subgroup
subgroup
Sub-groups Information page
Sub-Groups Page

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Panel
titleTopic Links

Table of Contents
maxLevel4
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Adding Subgroups

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You can add one or more sub-groups to a trial according to the trial’s design details.

How to Add Sub-groups

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For more instructions, refer to the following pages:

Page Tree
rootAbstracting Sub-Groups

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Editing Subgroups

You can edit sub-group records as necessary.

How to Edit Sub-group Records

  1. Search for the trial of interest. In the search results, click the NCI Trial Identifier link for that trial.
  2. On the Scientific Data menu, click Sub-groups. The Sub-groups page appears.
  3. In the Edit column for a given record, click the Edit icon. The Add/Edit Sub-group Information page appears.
  4. Modify the sub-group details according to instructions in Adding Sub-Groups.
  5. Click Save.

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Deleting Subgroups

When you delete groups from a trial, you delete them from the system, and can not recover them. If you delete a record accidentally, follow the instructions in Adding Sub-Groups to add it back.

How to Delete Sub-groups

  1. Search for the trial of interest. In the search results, click the NCI Trial Identifier link for that trial.
  2. On the Scientific Data menu, click Sub-groups. The Sub-group page appears.
  3. In the Delete column for the appropriate record, click the Delete icon.

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