cmbd: Comorbidity measures from AHRQ HCUP

In touch: Tools of Utilization and Cost in Healthcare

Comorbidity measures from AHRQ HCUP

Description

This function maps a matrix of ICD9 codes to AHRQ comorbidity measures.

Usage

cmbd(icd, drg = NULL, needClean = TRUE, needPrep = TRUE)

Arguments

icd	a character matrix of icd9 codes, with rows representing patients.
drg	a numeric vector of drg codes, with length the same as nrow(icd).
needClean	logical, TRUE means cleaning is needed (string trimming, zero supplementation)
needPrep	logical, TRUE means preparation is needed (convert char to numeric)

Value

a matrix with the same number of rows as the input and with the comorbidity measures in columns

Author(s)

Jun Yan

References

Elixhauser et. al. (1998)

Examples

data(dxDat)
drg <- dxDat$drg
icd <- dxDat[, -1L]
output <- cmbd(icd, drg=drg)

touch documentation built on July 8, 2022, 9:06 a.m.