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Brain Inj. 2008 Sep;22(10):786-92. doi: 10.1080/02699050802403557.

A French validation study of the Coma Recovery Scale-Revised (CRS-R).

Author information

1
Coma Science Group, Cyclotron Research Centre, University of Liège, Liège, Belgium. c.schnakers@student.ulg.ac.be

Abstract

PRIMARY OBJECTIVE:

The aim of the present study was to explore the concurrent validity, inter-rater agreement and diagnostic sensitivity of a French adaptation of the Coma Recovery Scale-Revised (CRS-R) as compared to other coma scales such as the Glasgow Coma Scale (GCS), the Full Outline of UnResponsiveness scale (FOUR) and the Wessex Head Injury Matrix (WHIM).

RESEARCH DESIGN:

Multi-centric prospective study.

METHOD AND PROCEDURES:

To test concurrent validity and diagnostic sensitivity, the four behavioural scales were administered in a randomized order in 77 vegetative and minimally conscious patients. Twenty-four clinicians with different professional backgrounds, levels of expertise and CRS-R experience were recruited to assess inter-rater agreement.

MAIN OUTCOMES AND RESULTS:

Good concurrent validity was obtained between the CRS-R and the three other standardized behavioural scales. Inter-rater reliability for the CRS-R total score and sub-scores was good, indicating that the scale yields reproducible findings across examiners and does not appear to be systematically biased by profession, level of expertise or CRS-R experience. Finally, the CRS-R demonstrated a significantly higher sensitivity to detect MCS patients, as compared to the GCS, the FOUR and the WHIM.

CONCLUSION:

The results show that the French version of the CRS-R is a valid and sensitive scale which can be used in severely brain damaged patients by all members of the medical staff.

PMID:
18787989
DOI:
10.1080/02699050802403557
[Indexed for MEDLINE]

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