Elisabete Pinto|Ruth Peters
Literature Review of the Clock Drawing Test as a Tool for Cognitive Screening
Imperial College London
clock drawing test cdt used clinical practice screening cognitive disorders systematic review aims present discuss cdt scoring methods available literature order find differences administration utility cdta literature search carried medline 1966 june 2008 psychinfo 1967 june 2008 embase 1980 june 2008all studies showed good interrater testretest reliabilities correlation standard screening tests statistically significant studies results influenced age education language studies included patients mild questionable dementia cdt low sensitivity variable specificitythe cdt characteristics good screening method moderate severe dementia however scoring method used potential confounders need taken consideration