#' Not-processed data for matching cases with controls
#'
#' A dataset containing cases and controls using the Intego registry data, but not the final dataset.
#' The variables are as follows:
#'
#' \describe{
#'   \item{Patient_Id}{Unique identifier for each patient.}
#'   \item{JCG}{Year of contact.}
#'   \item{Birth_Year}{Patient's year of birth.}
#'   \item{Gender}{Patient's gender.}
#'   \item{Practice_Id}{Patient's general practice.}
#'   \item{case_control}{Binary; if case == Colorectal Cancer, otherwise control.}
#'   \item{entry_year}{The year that the patient first entered the database.}
#'   \item{fup_diff}{Difference in follow-up between cases and controls.}
#'   \item{CI}{Comorbidity Index. Count of chronic diseases before the index date.}
#' }
#'
#' @docType data
#' @keywords datasets
#' @name not_processed
#' @usage data(not_processed)
#' @format A data frame with 656506 rows and 9 variables
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