documentation:next_cdm:days_supply
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documentation:next_cdm:days_supply [2016/03/02 22:52] cgreich |
documentation:next_cdm:days_supply [2017/03/07 03:49] cgreich |
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| ==== Proposal ==== | ==== Proposal ==== | ||
| - | If the days_supply and the drug_exposure_end_date fields essentially designate the same thing they are therefore duplicates of the same information and create the danger of of inconsistency. One of them could be dropped. | + | Relevant table: http://www.ohdsi.org/web/wiki/doku.php?id=documentation:cdm:drug_exposure |
| - | + | ||
| - | Alternatively, we could split them into two different meanings: | + | |
| ^Field^Required^Type^Description^ | ^Field^Required^Type^Description^ | ||
| - | |drug_exposure_end_date|Yes or No|date|The end date for the current instance of Drug utilization. Depending on different sources, it could be a known or an inferred date and denotes the last day at which the patient was still exposed to drug.| | + | |drug_exposure_end_date|Yes|date|The end date for the current instance of Drug utilization. Depending on different sources, it could be a known or an inferred date and denotes the last day at which the patient was still exposed to drug.| |
| |days_supply|No|integer|The number of days of supply of the medication as prescribed. This reflects the intention of the provider for the length of exposure.| | |days_supply|No|integer|The number of days of supply of the medication as prescribed. This reflects the intention of the provider for the length of exposure.| | ||
| - | |verbatim_end_date|No|date|The known end date of a drug exposure.| | + | |verbatim_end_date|No|date|The known end date of a drug exposure as provided by the source.| |
| - | The verbatim_end_dat field is only necessary if we decide to make the drug_exposure_end_date mandatory. In cases where no good data are available to fill that end_date, teh ETL will have to take a guess, and that may not satisfy some algorithms for dose calculation. | + | The verbatim_end_dat field is only necessary as the drug_exposure_end_date becomes mandatory, and might be (wrongly) inferred. In cases where no good data are available to fill that end_date, the ETL will have to take a guess, and that may not satisfy some algorithms for dose calculation. |
| == Conventions == | == Conventions == | ||
documentation/next_cdm/days_supply.txt · Last modified: 2017/07/06 19:18 by clairblacketer
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