documentation:cdm:cohort_attribute
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documentation:cdm:cohort_attribute [2014/12/05 21:08] cgreich created |
documentation:cdm:cohort_attribute [2015/01/05 16:39] cgreich |
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| |value_as_concept_id|No|integer|The attribute result stored as a Concept ID. This is applicable to attributes where the result is expressed as a categorical value.| | |value_as_concept_id|No|integer|The attribute result stored as a Concept ID. This is applicable to attributes where the result is expressed as a categorical value.| | ||
| ==== Conventions ==== | ==== Conventions ==== | ||
| - | * The core of a Cohort Attribute is the unifying definition or feature of the Cohort. This is captured in the cohort_definition_id. | + | * Like with Cohorts, the unifying definition or feature of any Cohort Attribute is captured in the cohort_definition_id. |
| * Cohort Attribute records must have a Start Date | * Cohort Attribute records must have a Start Date | ||
| * Cohort Attribute records must have an End Date, but may be set to Start Date or could apply a censored date using the Observation Period Start Date. | * Cohort Attribute records must have an End Date, but may be set to Start Date or could apply a censored date using the Observation Period Start Date. | ||
| * Cohort Attribute records must contain a Subject ID, which can refer to a Person, Provider, or Visit record. The cohort definition will define the type of subject through the subject concept id. | * Cohort Attribute records must contain a Subject ID, which can refer to a Person, Provider, or Visit record. The cohort definition will define the type of subject through the subject concept id. | ||
documentation/cdm/cohort_attribute.txt ยท Last modified: 2017/09/25 15:09 by clairblacketer
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