A New Insight Into Missing Data in Intensive Care Unit Patient Profiles: Observational Study.

ABSTRACT:

Background

The data missing from patient profiles in intensive care units (ICUs) are substantial and unavoidable. However, this incompleteness is not always random or because of imperfections in the data collection process.

Objective

This study aimed to investigate the potential hidden information in data missing from electronic health records (EHRs) in an ICU and examine whether the presence or missingness of a variable itself can convey information about the patient health status.

Methods

Daily retrieval of laboratory test (LT) measurements from the Medical Information Mart for Intensive Care III database was set as our reference for defining complete patient profiles. Missingness indicators were introduced as a way of representing presence or absence of the LTs in

SUBMITTER: Sharafoddini A 

PROVIDER: S-EPMC6329436 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature