The Clock Is Not Enough: The Clock Drawing Test versus the Kimberley Indigenous Cognitive Assessment for Detecting Dementia in Older Aboriginal and Torres Strait Islander Adults

Abstract

Introduction: We aimed to explore the performance of the Kimberley Indigenous Cognitive Assessment – Cognitive component (KICA-Cog) and the Clock Drawing Test (CDT) in older Aboriginal and Torres Strait Islander adults with dementia and without dementia in the Let’s CHAT Dementia study. Methods: In this cross-sectional diagnostic test accuracy study, participants completed Comprehensive Geriatric Assessments. Demographic, health, cognitive, and functional histories, and cognitive assessments (KICA-Cog and CDT) were recorded. The reference standard was consensus diagnosis by two geriatricians blinded to KICA-Cog and CDT performance. Binary logistic regression and receiver operating characteri..