worst_osi: Worst Oxygen Saturation Index

In jcasse/icueval: Analysis for icu data

Description

worst_osi returns the worst (highest) oxygen saturation index, for each encounter selected.

Usage

worst_osi(enc_info, interventions, vitals)

Arguments

interventions	data frame: provides interventions events chr: patient_id_encounter chr: Variable.Name num: Value POSIXct: Start.Time
vitals	data frame: provides vitals events chr: patient_id_encounter chr: Variable.Name num: Value POSIXct: End.Time
enc_info_df	data frame: provides the encounters of interest chr: patient_id_encounter POSIXct: Episode.Start.Timestamp

Details

Missing values are imputed with zero: Encounters that do not have all measurements (i.e, mean airway pressure, fio2 or pulseox) get OSI = 0, as per Nelson. NOTE: This function may take up to 5 minutes on the entire DS 2.1.1.

Value

data_frame:

• chr: patient_id_encounter

• num: worst_osi

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