Extract exposure cohorts
extractCohorts.Rd
Extract the exposure cohorts from the exposure table. The function creates a new table where the combined exposure cohorts will be stored.
Usage
extractCohorts(
connectionDetails,
firstExposureOnly = TRUE,
exposureTable,
exposureIds,
cohortTable = "combined_target",
resultDatabaseSchema,
exposureDatabaseSchema = resultDatabaseSchema,
cdmDatabaseSchema
)
Arguments
- connectionDetails
The connection details to the database. Should be an object of type
createConnectionDetails
.- firstExposureOnly
If a patient appears in more than one exposure cohort, only keep the earliest exposure, censoring at the start of later exposure.
- exposureTable
The table where the exposure cohorts are stored.
- exposureIds
The cohort definition ids of the exposure cohorts.
- cohortTable
The table where the combined exposure cohorts will be stored.
- resultDatabaseSchema
The database schema where the table with the combined cohorts will be stored. Needs write permission.
- exposureDatabaseSchema
The database schema where table with the exposure cohorts are stored.
- cdmDatabaseSchema
The database schema where the cdm database is stored.