R/od_intent_icd10cm.R

In injuryepi/overdoser: Overdose data analysis

#' Find intent based on ICD-10-CM.
#'
#' Find intent based on ICD-10-CM.
#'
#' @param data input data
#' @param diag_ecode_col column indices
#'
#' @return intent_drugs
#' @export
#'
#' @examples to be added
od_intent_icd10cm <- function(data, diag_ecode_col) {
    
    unintentional_drugs_icd10cm_regex_ <- "(?!(T3[679]9|T414|T427|T4[3579]9))(T3[6-9]|T4[0-9]|T50)..(1)|((T3[679]9|T414|T427|T4[3579]9)(1))"
    
    self_harm_drugs_icd10cm_regex_ <- "(?!(T3[679]9|T414|T427|T4[3579]9))(T3[6-9]|T4[0-9]|T50)..(2)|((T3[679]9|T414|T427|T4[3579]9)(2))"
    
    assault_drugs_icd10cm_regex_ <- "(?!(T3[679]9|T414|T427|T4[3579]9))(T3[6-9]|T4[0-9]|T50)..(3)|((T3[679]9|T414|T427|T4[3579]9)(3))"
    
    undetermined_drugs_icd10cm_regex_ <- "(?!(T3[679]9|T414|T427|T4[3579]9))(T3[6-9]|T4[0-9]|T50)..(4)|((T3[679]9|T414|T427|T4[3579]9)(4))"
    
    data %>% mutate(unintentional_drugs_icd10cm = od_create_diag(., expr = unintentional_drugs_icd10cm_regex_, 
        colvec = diag_ecode_col), self_harm_drugs_icd10cm = od_create_diag(., 
        expr = self_harm_drugs_icd10cm_regex_, colvec = diag_ecode_col), assault_drugs_icd10cm = od_create_diag(., 
        expr = assault_drugs_icd10cm_regex_, colvec = diag_ecode_col), undetermined_drugs_icd10cm = od_create_diag(., 
        expr = undetermined_drugs_icd10cm_regex_, colvec = diag_ecode_col)) %>% 
        mutate(intent_drugs = ifelse(unintentional_drugs_icd10cm == 1, 1, ifelse(self_harm_drugs_icd10cm == 
            1, 2, ifelse(assault_drugs_icd10cm == 1, 3, ifelse(undetermined_drugs_icd10cm == 
            1, 4, NA))))) %>% select(-unintentional_drugs_icd10cm, -self_harm_drugs_icd10cm, 
        -assault_drugs_icd10cm, -undetermined_drugs_icd10cm)
}