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documentation:next_cdm:metadata [2016/10/27 00:59]
ericavoss
documentation:next_cdm:metadata [2017/07/10 16:26] (current)
clairblacketer
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 +====Metadata====
 +===Proposals are now tracked as github issues===
 +[[https://​github.com/​OHDSI/​CommonDataModel/​issues/​79|link to github issue]]
 +
 Proposing person: Vojtech Huser Proposing person: Vojtech Huser
  
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 ====== Use case ====== ====== Use case ======
  
-  - only run certain data quality checks when they are appropriate to the dataset (e.g., general population dataset) +  ​- display metadata within Atlas-Achilles Web (when reviewing data characterization plots and tables) 
-  - display metadata within Atlas-Achilles Web+  - allow organizations with multiple OMOP CDM datasets to have a mechanism to store dataset metadata (analysis of this use will provide input for phase 2 of metadata standardization) 
 +  ​- only run certain data quality checks when they are appropriate to the dataset (e.g., general population dataset; this use case depends on proper concept level standardization
  
  
 ====== CDM changes ====== ====== CDM changes ======
  
-The proposal is adding a single table to the CDM specs.+The proposal is adding a single table to the CDM specs. In phase 1, we are trying to provide a mechanism for sites to capture metadata. The concept level standardization is planned in phase 2.
    
 ===== new METADATA table ===== ===== new METADATA table =====
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 | NAME  |Name of the CONCEPT_ID stored in METADATA_CONCEPT_ID or in the event there is not an applicable CONCEPT_ID NAME can be used to represent the data stored (e.g. CDM_BUILDER VERSION) ​  ​|VARCHAR(250) ​ | | NAME  |Name of the CONCEPT_ID stored in METADATA_CONCEPT_ID or in the event there is not an applicable CONCEPT_ID NAME can be used to represent the data stored (e.g. CDM_BUILDER VERSION) ​  ​|VARCHAR(250) ​ |
 | VALUE  |Store the metadata value you wish to capture |NVCHAR ​ | | VALUE  |Store the metadata value you wish to capture |NVCHAR ​ |
 +
 +
 +**Modified proposal**
 +
 +^ Column ​                   ^ Description ​                                                                                                                                                                         ^ Data_type ​    | Required ​ |
 +| METADATA_CONCEPT_ID ​      | OMOP Vocabulary CONCEPT_ID that identifies the information you with to track (e.g. 8 for metadata about a Visit) ​                                                                    | INT           ​| ​          |
 +| METADATA_TYPE_CONCEPT_ID ​ | OMOP Vocabulary CONCEPT_ID that identifies the type information you with to track (e.g. 1 for metadata about Domains such as a Visit) ​                                               | INT           ​| ​          |
 +| NAME                      | Name of the CONCEPT_ID stored in METADATA_CONCEPT_ID or in the event there is not an applicable CONCEPT_ID NAME can be used to represent the data stored (e.g. CDM_BUILDER VERSION) ​ | VARCHAR(250) ​ |           |
 +| VALUE_AS_STRING ​          | Store the metadata value (string) ​                                                                                                                                                   | NVCHAR ​       |           |
 +| VALUE_AS_CONCEPT_ID ​      | OMOP Vocabulary CONCEPT_ID that reflects the metadata value                                                                                                                          | int           | No        |
 +| METADATA_DATETIME ​        | The date and time associated with metadata ​                                                                                                                                          | datetime ​     | No        |
 +| METADATA_DATE ​            | date                                                                                                                                                                                 | date          | No        |
 +
 +
  
 **Example records:** **Example records:**
documentation/next_cdm/metadata.1477529986.txt.gz · Last modified: 2016/10/27 00:59 by ericavoss