CohortConstructor (version 0.6.1)

requireAge: Restrict cohort on age

Description

requireAge() filters cohort records, keeping only records where individuals satisfy the specified age criteria.

Usage

requireAge(
  cohort,
  ageRange,
  cohortId = NULL,
  indexDate = "cohort_start_date",
  atFirst = FALSE,
  name = tableName(cohort)
)

Value

The cohort table with only records for individuals satisfying the age requirement

Arguments

cohort

A cohort table in a cdm reference.

ageRange

A list of vectors specifying minimum and maximum age.

cohortId

Vector identifying which cohorts to modify (cohort_definition_id or cohort_name). If NULL, all cohorts will be used; otherwise, only the specified cohorts will be modified, and the rest will remain unchanged.

indexDate

Variable in cohort that contains the date to compute the demographics characteristics on which to restrict on.

atFirst

If FALSE the requirement will be applied to all records, if TRUE, it will only be required for the first entry of each subject.

name

Name of the new cohort table created in the cdm object.

Examples

# \donttest{
library(CohortConstructor)
cdm <- mockCohortConstructor()
cdm$cohort1 |>
  requireAge(indexDate = "cohort_start_date",
             ageRange = list(c(18, 65)))
# }