@@ -3552,23 +3552,8 @@ <h3 class="tabset tabset-pills">drug_exposure</h3>
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</ td >
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< td style ="text-align:left; ">
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If this information is not explicitly available in the data, infer the
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- end date using the following methods:< br > < br > 1. Start first with
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- duration or days supply using the calculation drug start date + days
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- supply -1 day. 2. Use quantity divided by daily dose that you may obtain
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- from the sig or a source field (or assumed daily dose of 1) for solid,
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- indivisibile, drug products. If quantity represents ingredient amount,
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- quantity divided by daily dose * concentration (from drug_strength) drug
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- concept id tells you the dose form. 3. If it is an administration
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- record, set drug end date equal to drug start date. If the record is a
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- written prescription then set end date to start date + 29. If the record
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- is a mail-order prescription set end date to start date + 89. The end
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- date must be equal to or greater than the start date. Ibuprofen 20mg/mL
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- oral solution concept tells us this is oral solution. Calculate duration
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- as quantity (200 example) * daily dose (5mL) /concentration (20mg/mL)
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- 200*5/20 = 50 days. < a
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- href ="https://ohdsi.github.io/CommonDataModel/drug_dose.html "> Examples
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- by dose form</ a > < br > < br > For detailed conventions for how to populate
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- this field, please see the < a
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+ end date from start date and duration.< br > For detailed conventions for
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+ how to populate this field, please see the < a
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href ="https://ohdsi.github.io/Themis/tag_drug_exposure.html "> THEMIS
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repository</ a > .
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</ td >
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