charlson: Charlson Comorbidities

In multimorbidity: Harmonizing Various Comorbidity, Multimorbidity, and Frailty Measures

Charlson Comorbidities

Description

charlson returns a summary dataset containing the Charlson comorbidities for each patient.

Usage

charlson(
  dat = NULL,
  id = NULL,
  dx = "dx",
  version = 19,
  version_var = NULL,
  outpatient_two = "no"
)

Arguments

dat	dataset which has been properly prepared using 'prepare_data()'
id	variable of the unique patient identifier
dx	the column with the diagnoses (defaults to 'dx')
version	which version(s) of ICD your data contain (ICD-9 only: 9, ICD-10 only: 10, Both: 19)
version_var	variable which denotes if the diagnoses on that row are ICD-9 (9) or ICD-10 (10)
outpatient_two	whether or not it should be required for there to be two outpatient claims for a diagnosis for a patient to be positively coded with that diagnosis.

Details

This function uses data which has been properly prepared to identify and flag the Charlson comorbidities. See full package documentation for additional details.

Value

dataframe with one row per patient, and a column for their patient id, a column with each Charlson comorbidity, and a column with their Charlson score

Examples

charlson(dat = prepared_data, id = patient_id, dx = dx, version = 19,
version_var = version, outpatient_two = "yes")

multimorbidity documentation built on Feb. 16, 2023, 5:57 p.m.