inst/QueryLibrary/Aggregate/drug_exposure/DEX05.md

DEX05: Counts of drug records for a particular drug

Description

This query is used to count the drug exposure records for a certain drug (drug_concept_id). The input to the query is a value (or a comma-separated list of values) of a drug_concept_id. See vocabulary queries for obtaining valid drug_concept_id values. If the input is omitted, all drugs in the data table are summarized.

Query

The following is a sample run of the query. The input parameters are highlighted in blue. S

SELECT
  concept_name      AS drug_name,
  drug_concept_id,
  COUNT(*)          AS num_records
FROM @cdm.drug_exposure
INNER JOIN @vocab.concept
ON concept_id = drug_concept_id
WHERE LOWER(domain_id)='drug'
      AND vocabulary_id='RxNorm'
      -- Retrieve standard concepts
      AND standard_concept='S'
      -- List of input drug_concept_id
      AND drug_concept_id IN (40165254,40165258)
GROUP BY concept_name, drug_concept_id;

Input

| Parameter | Example | Mandatory | Notes | | --- | --- | --- | --- | | list of drug_concept_id | 40165254, 40165258 | No | Crestor 20 and 40 mg tablets |

Output

| Field | Description | | --- | --- | | drug_name | An unambiguous, meaningful and descriptive name for the drug concept. | | drug_concept_id | A foreign key that refers to a standard concept identifier in the vocabulary for the drug concept. | | num_records | The number of drug exposure records |

Example output record

| Field | Content | | --- | --- | | drug_name | Rosuvastatin calcium 20 MG Oral Tablet [Crestor] | | drug_concept_id | 40165254 | | num_records | 191244 |

Documentation

https://github.com/OHDSI/CommonDataModel/wiki/



sib-swiss/dsQueryLibraryServer documentation built on Feb. 13, 2025, 8:07 p.m.