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The purpose of this package is to provide injury researchers with easy methods for categorization of injuries described using ICD-10 diagnosis codes and for deriving measures of injury severity.

ICDPIC (International Classification of Diseases Programs for Injury Categorization) was originally developed for ICD Version 9 Clinical Modification (ICD-9-CM) diagnosis codes using Stata, providing an easy way to convert these codes to standard injury severity scores and categories. After the introduction of ICD-10-CM to US hospitals in 2015, an update to accommodate this change was developed using R, and was eventually published on CRAN as package “icdpicr”.

Package “icdpicr2” is a successor to “icdpicr”. The “Implementation Details” vignette provided with this package describes the history of injury severity scoring, ICDPIC, and “icdpicr”; it discusses issues with the original version of “icdpicr” and the aims for “icdpicr2”.

Package “icdpicr2” consists primarily of the function “cat_trauma2”. This function first reads in user data in a specified format, then calculates AIS, ISS, NISS, mortality predictions, and injury mechanisms. It returns the original data file with these fields added. Further details about the options available in “cat_trauma2” are provided in the help file for this function.

Other functions in the package derive an “iciss” (International Classification of Diseases-related Injury Severity Score) and a “framework” (categorization by injury type and location developed by the US CDC). Further information is provided in the Implementation Details and the help files for each function.

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.
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