Psychometric analysis of the Glasgow Coma Scale and its sub-scale scores in a national retrospective cohort of patients with traumatic injuries.

ABSTRACT:

Objectives

To determine the psychometric validity, using Rasch analysis, of summing the three constituent parts of the Glasgow Coma Scale (GCS).

Design

National (registry-based) retrospective study.

Setting

England and Wales.

Patients

All individuals who sustained a traumatic injury and were: admitted for more than three days; required critical care resources; transferred for specialist management; or who died from their injuries.

Main outcomes and measures

Demographic information (i.e., age at time of injury, and sex), item sub-scores of the first available GCS (either completed by the attending paramedics or on arrival to hospital), injury severity as denoted by the Injury Severity Scale (ISS), and outcome (survival to hospital discharge or 30-days pos

SUBMITTER: Mateen BA 

PROVIDER: S-EPMC9176762 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature