identify_icd: Find diagnosis using ICD-codes

In liljamathias/QRfunctions: Useful function for working with patient-data

Description

This function allows you to find a diagnosis based on ICD-codes. Creates a new column based on the ICD-codes.

Usage

identify_icd(
  .data,
  icd,
  new_variable,
  primary = TRUE,
  secondary = TRUE,
  simple = FALSE,
  patient_inclusion = FALSE
)

Arguments

.data	A tibble with data in QTF-format.
icd	A character vector (or scalar) with ICD-codes that should be identified in the data.
new_variable	A character string with the column name for the new variable.
primary	Search primary diagnoses. Defaults to TRUE.
secondary	Search secondary diagnoses. Defaults to TRUE.
simple	Only the new variable column will be returned. Support function. Defaults to FALSE.
patient_inclusion	Return a vector with unique patient id:s that can be used to filter data at a later stage. Defaults to FALSE.

Examples

data(data_icd)
data_icd %>% combine_sdia() %>% identify_icd("L405", "psa")

liljamathias/QRfunctions documentation built on Jan. 20, 2021, 1:32 a.m.