Test characteristics of clock drawing test (CDT) systems and naïve raters for detecting dementia in community dwelling older adults*

OutcomesSensitivitySpecificity+LR-LR
*CERAD = Consortium to Establish a Registry for Alzheimer's Disease. Diagnostic terms defined in glossary; LRs calculated from data in article.
The Mendez formal CDT system76.0%90.7% 8.170.26
CERAD classification64.0%95.3%13.60.38
Naïve raters76.0%83.7% 4.660.29