proqolid

Home > Instruments > Clinical Dementia Rating (CDR)

INSTRUMENT DETAILS

Clinical Dementia Rating (CDR)

 

Author(s)

Morris John C

 

Purpose

  • Pathology:

Nervous system diseases

Psychiatry/psychology

  • Disease:

Alzheimer Disease

  • Objective:

To clinically stage the severity of cognitive-functional impairment in dementia by standardized and reliable means

  • Population for intended use:

Adult

Geriatrics

 
 

Characteristics

  • Type of instrument:

Signs and symptoms

  • Administration mode:

Interviewer-administered

[ semi-structured interview of the patient and a reliable informant or collateral source, e.g., family member ]

  • Number of items:

75

  • Recall/Observation period:

Not applicable

 
 

Language(s)

  • Original language:

English for the USA

  • List of existing translations:

The translations listed below may not have undergone a full linguistic validation process and may require further work to be suitable for use in a study.
This list of translations is subject to constant changes, therefore please check the status of translations with MAPI Research Trust / the developers / copyright holders / distributors.

CDR

Afrikaans English for Malaysia Hebrew* Russian for Ukraine
Bulgarian English for New Zealand Hindi for India Slovak
Cantonese English for Singapore Hungarian Slovenian
Chinese for Hong Kong English for South Africa Italian for Italy* Spanish for Argentina*
Chinese for Malaysia English for the Philippines Kannada Spanish for Chile
Chinese for Singapore English for the UK* Korean Spanish for Mexico
Chinese for Taiwan* Estonian Malay Spanish for Peru
Croatian Finnish for Finland* Malayalam Spanish for Spain*
Czech* French for Belgium* Mandarin for China Spanish for the USA
Danish for Denmark French for Canada* Marathi Swedish for Sweden*
Dutch for Belgium (Flemish)* French for France* Norwegian for Norway Tagalog
Dutch for the Netherlands* German for Austria* Polish for Poland* Tamil for Malaysia
English for Australia* German for Germany* Portuguese for Portugal Urdu
English for Canada German for Switzerland Romanian
English for Israel Greek Russian for Russia

* Performed by the MAPI Institute

Note: Please consult the ADRC website for current list

 

Bibliographic reference(s) of the original questionnaire

Morris JC, Ernesto C, Schafer K et al. Clinical Dementia Rating training and reliability inmulticenter studies: the Alzheimer's Disease Cooperative Study experience. Neurology 1997;48:1508-1510


Morris JC. The Clinical Dementia Rating (CDR): current version and scoring rules. Neurology 1993;43(11)


Morris JC, McKeel DW, Jr, Fulling K, Torack RM, Berg L: Validation of clinical diagnostic criteria for Alzheimer's disease. Ann Neurol 24:17-22, 1988


Hughes CP, Berg L, Danziger WL, Coben LA and Martin RL. A new clinical scale for the staging of dementia. Brit J Psychiat 1982;140:566-572

Last update: April 2012

Last update in collaboration with the author: July 2003