getData4oxyIndex: get the minimum oxygenation index (Horowitz index) in mmHg

In maciejrosolowski/progressdatenbankderivate: Extract and Process Data from the Database of the PROGESS Study

get the minimum oxygenation index (Horowitz index) in mmHg

Description

Minima of the values from the table DID_OXYGENIND_SINGLE are returned. The minimum is computed for each combination of PATSTUID and EVENT (time point), and is taken over the values of APO2 (table FRM_O2A) and POXY (table FRM_O2P).

Usage

getData4oxyIndex(DID_OXYGENIND_SINGLE)

Arguments

DID_OXYGENIND_SINGLE

data.table containing the table so named from the database of the PROGRESS study

Value

data.table in the wide format. Each row corresponds to one patient and the columns contain the oxygenation index at a given time.

Examples

## Not run: 
excel_fn <- paste0("/net/ifs1/san_projekte/projekte/",
"PROGRESS/Datenmanagement/Data_freezes/",
"20190320/PROGRESS-freeze_201903_01.xlsx")
DID_OXYGENIND_SINGLE <- readxl::read_excel(excel_fn, "DID_OXYGENIND_SINGLE")
data.table::setDT(DID_OXYGENIND_SINGLE)
toadd_oxyIndex.min <- getData4oxyIndex(DID_OXYGENIND_SINGLE)
toadd_oxyIndex.min

## End(Not run)

maciejrosolowski/progressdatenbankderivate documentation built on Nov. 29, 2024, 3:39 a.m.