length_of_intervention: Total length of a specific intervention.

In jcasse/icueval: Analysis for icu data

Description

length_of_intervention returns the total length of the specified intervention.

Usage

length_of_intervention(enc_info_df, interventions_df, intervention_name,
  time_units)

Arguments

enc_info_df	data frame: provides the encounters of interest chr: patient_id_encounter
interventions_df	data frame: provides intervention events chr: patient_id_encounter chr: Variable.Name POSIXct: Start.Time POSIXct: End.Time
intervention_name	chr: names the intervention of interest
time_units	chr: time units to compute time difference in

Details

Computes the total length of intervention, per encounter. Encounters with no events of the specified interventions are assumed to not have had the intervention, and a value of zero is given. The function currently works only for interventions that have both a start time and end time.

Value

data_frame:

• chr: patient_id_encounter

• num: length of intervention_name

jcasse/icueval documentation built on May 18, 2019, 9:20 p.m.