To add a new column with the days prescribed. To add multiple columns use addDrugUtilisation() for efficiency.
Source: R/addDrugUtilisation.R
addDaysPrescribed.RdTo add a new column with the days prescribed. To add multiple columns use
addDrugUtilisation() for efficiency.
Usage
addDaysPrescribed(
cohort,
conceptSet,
indexDate = "cohort_start_date",
censorDate = "cohort_end_date",
restrictIncident = TRUE,
nameStyle = "days_prescribed_{concept_name}",
name = NULL
)Arguments
- cohort
A cohort_table object.
- conceptSet
List of concepts to be included.
- indexDate
Name of a column that indicates the date to start the analysis.
- censorDate
Name of a column that indicates the date to stop the analysis, if NULL end of individuals observation is used.
- restrictIncident
Whether to include only incident prescriptions in the analysis. If FALSE all prescriptions that overlap with the study period will be included.
- nameStyle
Character string to specify the nameStyle of the new columns.
- name
Name of the new computed cohort table, if NULL a temporary table will be created.
Examples
# \donttest{
library(DrugUtilisation)
cdm <- mockDrugUtilisation()
codelist <- CodelistGenerator::getDrugIngredientCodes(
cdm,
name = "acetaminophen"
)
cdm <- generateDrugUtilisationCohortSet(
cdm = cdm, name = "dus_cohort", conceptSet = codelist
)
#> ℹ Subsetting drug_exposure table
#> ℹ Checking whether any record needs to be dropped.
#> ℹ Collapsing overlaping records.
#> ℹ Collapsing records with gapEra = 1 days.
cdm$dus_cohort |>
addDaysPrescribed(conceptSet = codelist)
#> # Source: table<og_038_1734615700> [?? x 5]
#> # Database: DuckDB v1.1.3 [unknown@Linux 6.8.0-1017-azure:R 4.4.2/:memory:]
#> cohort_definition_id subject_id cohort_start_date cohort_end_date
#> <int> <int> <date> <date>
#> 1 1 10 1994-11-02 1997-11-15
#> 2 1 1 2020-09-08 2020-10-22
#> 3 1 7 2001-07-11 2005-05-15
#> 4 1 6 2015-01-20 2016-07-16
#> 5 1 4 2016-09-10 2017-12-07
#> 6 1 2 2018-04-30 2018-08-18
#> # ℹ 1 more variable: days_prescribed_161_acetaminophen <int>
# }