m4_admissions: Access unique hospitalizations for patients in the database

In hdshea/MIMIC4db: Package for building, loading and referencing the Google BigQuery verion of the MIMIC-IV

Description

This function provides base access to the admissions table containing information regarding a patient’s admission to the hospital. Since each unique hospital visit for a patient is assigned a unique hadm_id, the admissions table can be considered as a definition table for hadm_id. Information available includes timing information for admission and discharge, demographic information, the source of the admission, and so on.

Usage

m4_admissions(con, cohort = NULL, ...)

Arguments

con	A bigrquery::bigquery() DBIConnection object, as returned by DBI::dbConnect() with an appropriate bigrquery::bigquery() DBI driver specified in the call.
cohort	an optional vector of patient IDs defining the cohort of interest
...	additional optional passed along parameters.

Details

Table attributes for admissions table:

(PKEY hadm_id)

(FKEY subject_id) -> patients table

Value

a tibble with the results.

Examples

# To run examples, you must have the BIGQUERY_TEST_PROJECT environment
# variable set to name of project which has billing set up and to which
# you have write access.
con <- bigrquery::dbConnect(
  bigrquery::bigquery(),
  project = bigrquery::bq_test_project(),
  quiet = TRUE
)

adm <- m4_admissions(con, cohort = 10137012)
dim(adm)

bigrquery::dbDisconnect(con)

hdshea/MIMIC4db documentation built on Dec. 20, 2021, 3:45 p.m.