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icdcomorbid

Introduction

The icdcomorbid R package provides a comprehensive toolkit for mapping International Classification of Diseases (ICD) codes to comorbidities. It offers versatile functionality to categorize diagnoses into standard comorbidity groups established in the medical literature. The package is inspired by the need for robust comorbidity interpretations in healthcare research and practice. Leveraging established methodologies such as those outlined by Charlson et al. (1987), Quan and Deyo (2005), and Elixhauser et al. (1998), this package simplifies the process of identifying and quantifying comorbidities in patient populations. With an emphasis on efficiency and accuracy, icdcomorbid empowers researchers, clinicians, and healthcare professionals to extract meaningful insights from medical data, driving advancements in patient care and clinical decision-making.

Installation

You can install the icdcomorbid package from CRAN using the following command:

install.packages("icdcomorbid")

Key Functions

add_decimal

Formats ICD codes by adding decimal points to match standard formats.

long_to_wide

Reshapes data from long format (multiple rows per patient) to wide format (one row per patient with multiple columns for diagnoses). This transformation is essential before applying comorbidity calculation functions.

icd9_to_comorbid

Maps ICD-9 codes to standard comorbidity indices using either the Charlson or Quan-Elixhauser index.

icd10_to_comorbid

Maps ICD-10 codes to standard comorbidity indices using either the Charlson or Quan-Elixhauser index.

episode_of_care

Assigns patients to episodes of care, useful for analyzing patient treatment over time.

Contact

For any questions or feedback, please feel free to reach out at:

April Nguyen
Email: april.nguyen1@ucalgary.ca

License

This package is licensed under the MIT License. See the LICENSE file for more details.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.