addPriorObservation: Compute the number of days of prior observation in the...

In PatientProfiles: Identify Characteristics of Patients in the OMOP Common Data Model

Compute the number of days of prior observation in the current observation period at a certain date

Description

Compute the number of days of prior observation in the current observation period at a certain date

Usage

addPriorObservation(
  x,
  indexDate = "cohort_start_date",
  priorObservationName = "prior_observation",
  priorObservationType = "days",
  name = NULL
)

Arguments

x	Table with individuals in the cdm.
indexDate	Variable in x that contains the date to compute the prior observation.
priorObservationName	name of the new column to be added.
priorObservationType	Whether to return a "date" or the number of "days".
name	Name of the new table, if NULL a temporary table is returned.

Value

cohort table with added column containing prior observation of the individuals.

Examples

cdm <- mockPatientProfiles()

cdm$cohort1 %>%
  addPriorObservation()
mockDisconnect(cdm = cdm)

PatientProfiles documentation built on Oct. 30, 2024, 9:13 a.m.