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Inter-rater reliability of Glasgow Coma Scale at a Referral Care Facility in Uganda: effect of an educational intervention among health workers


Peter Nyakuni
Betty Kinkuhaire
Diana Mbatudde
Laura Brennaman

Abstract

Background: The Glasgow Coma Scale is a widely used tool in the assessment and tracking of patients with acute head and brain insults. However, its reliability and application in low-resource clinical settings have been least explored.


Purpose: The study aimed at determining the IRR of GCS among health workers and evaluating the effect of a standardized GCS Aid as an educational intervention in improving the accuracy and IRR of the GCS when assessing patients with neurological deficits at a tertiary facility in Uganda.


Methods and Materials: The study employed a pre-test, post-test quasi-experimental design. Participants included health workers working within wards with adult patients with acute brain insults. A total of 45 participants completed the study.


Results: Findings indicate that higher training levels increased knowledge of GCS (F = 3.753, p = 0.01). The GCS AID improved the accuracy and IRR of the GCS post-test with eye-opening showing the greatest improvement (α, 0.65-0.88) followed by verbal (0.74 to 0.89), motor (0.83 to 0.93).


Conclusion: The use of the GCS-AID improved the IRR of GCS among health workers in the assessment of patients with acute brain insults.


Keywords: Glasgow Coma Scale; Professional Knowledge; Inter-rater reliability.


Journal Identifiers


eISSN: 1729-0503
print ISSN: 1680-6905