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Compute the difference in days between 2 variables in a database table.

Usage

getDuration(
  cdm,
  tableName = "drug_exposure",
  startDateCol = "drug_exposure_start_date",
  endDateCol = "drug_exposure_end_date",
  colName = "duration"
)

Arguments

cdm

CDMConnector reference object

tableName

the table name

startDateCol

the start date column name

endDateCol

the end date column name

colName

the result column name

Value

the table with as new column the duration