This query is used to count the persons with any number of eras with exposure to 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. If the input is omitted, all possible values are summarized.
Input:
| Parameter |
Example |
Mandatory |
Notes |
| list of drug_concept_id |
1304643, 1549080 |
Yes |
|
Sample query run:
The following is a sample run of the query. The input parameters are highlighted in blue
select count(distinct r.person_id) as persons_count
from drug_era r
where r.drug_concept_id in (1304643, 1549080)
Output:
Output field list:
| Field |
Description |
| drug_concept_id |
A foreign key that refers to a standard concept identifier in the vocabulary for the drug concept. |
| person_id |
A foreign key identifier to the person who is subjected to the drug during the drug era. 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. |
Sample output record:
| Field |
Description |
| drug_concept_id |
|
| person_id |
|
| count |
|
| 