inst/QueryLibrary/Aggregate/drug_exposure/DEX32.md

In sib-swiss/dsQueryLibraryServer: OMOP query Library

DEX32: Counts of drug exposure records per person

Description

This query is used to count the number of drug exposure records (drug_exposure_id) for all persons. The input to the query is a value (or a comma-separated list of values) for a number of records per person. If the input is omitted, all possible values are summarized.

Query

The following is a sample run of the query.

SELECT
  person_id,
  count(*) AS stat_value
FROM @cdm.drug_exposure
GROUP BY person_id
HAVING count(*) in (3,4)
;

Input

| Parameter | Example | Mandatory | Notes | | --- | --- | --- | --- | | count | 3, 4 | Yes |

Output

| Field | Description | | --- | --- | | person_id | A foreign key identifier to the person who is subjected to the drug. The demographic details of that person are stored in the person table. | | count | The number of individual drug exposure occurrences used to construct the drug era. |

Example output record

| Field | Description | | --- | --- | | person_id | 2026 | | count | 4 |

Documentation

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

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