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Last data update: 2014.03.03

R: Calculate the Charlson Comorbidity Index

generate_charlson_index_df

R Documentation

Calculate the Charlson Comorbidity Index

Description

generate_charlson_index_df merges a data frame of Charlson comorbidities with charlson_weights and sums the results per patient.

Usage

generate_charlson_index_df(df, idvar = "id",
  weights = medicalrisk::charlson_weights)

Arguments

`df`	a data frame with ID column `idvar` and logical columns for each comorbidity, such as that generated by `generate_comorbidity_df`
`idvar`	string with name of ID variable within `df`
`weights`	defaults to `charlson_weights`

Value

a dataframe with two columns, idvar and "index"

Examples

# calculate Charlson Comorbidity Index for all patients in the code{link{vt_inp_sample}}
data(vt_inp_sample)
generate_charlson_index_df(generate_comorbidity_df(vt_inp_sample))