This query is used to count stop reasons (stop_reason) across all drug exposure records. The input to the query is a value (or a comma-separated list of values) of a stop_reason. If the input is omitted, all existing values are summarized.
Input:
| Parameter |
Example |
Mandatory |
Notes |
| stop_reason |
1 |
Yes |
|
Sample query run:
The following is a sample run of the query. The input parameters are highlighted in blue
select count(1) as totExp , d.stop_reason
from drug_exposure d
where d.stop_reason in ('INVALID')
group by d.stop_reason
;
Output:
Output field list:
| Field |
Description |
| drug_exposure_id |
The number of refills after the initial prescription. The initial prescription is not counted, values start with 0. |
| Count |
The number of individual drug exposure occurrences used to construct the drug era. |
| stop_reason |
The reason the medication was stopped, where available. Reasons include regimen completed, changed, removed, etc. |
Sample output record:
| Field |
Description |
| drug_exposure_id |
|
| Count |
|
| stop_reason |
|
| 