inst/QueryLibrary/Aggregate/drug_exposure/DEX01.md

In sib-swiss/dsQueryLibraryServer: OMOP query Library

DEX01: Counts of persons with any number of exposures to a certain drug

Description

| This query is used to count the persons with at least one exposures to a certain drug (drug_concept_id). See vocabulary queries for obtaining valid drug_concept_id values. The input to the query is a value (or a comma-separated list of values) of a drug_concept_id. 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.

SELECT 
  c.concept_name, 
  drug_concept_id, 
  COUNT(person_id) AS num_persons 
FROM @cdm.drug_exposure 
INNER JOIN @vocab.concept c
ON drug_concept_id = c.concept_id
WHERE domain_id='Drug' 
      AND vocabulary_id='RxNorm' 
      AND standard_concept='S'
      AND drug_concept_id in (40165254, 40165258 ) --Input list of drug concept_id
GROUP BY c.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 concept. | | drug_concept_id | A foreign key that refers to a standard concept identifier in the vocabulary for the drug concept. | | num_persons | The patients count |

Example output record

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

Documentation

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

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