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JFK%20Coma%20Recovery%20Scale-%20Revised
JFK%20Coma%20Recovery%20Scale-%20Revised
| Availability |
Please visit this website for the instrument:
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| Classification |
NeuroRehab Supplemental - Highly Recommended
Recommendations for Use: Indicated for studies requiring a measure for coma recovery.
Supplemental:Traumatic Brain Injury (TBI).
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| Short Description of Instrument |
The JFK Coma Recovery Scale-Revised (CRS-R) consists of twenty-three items comprising six hierarchically-arranged subscales addressing auditory, visual, motor, oromotor/verbal, communication and arousal functions. The lowest item on each subscale represents reflexive activity while the highest items represent cognitively-mediated behaviors.
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| Scoring and Psychometric Properties |
Scoring: Total score range = 0-23. Diagnoses (Coma, Vegetative State, Minimally Conscious State, Emerged from Minimally Conscious State) are derived directly from subscale scores.
Psychometric Properties: Selected from a field of 14 instruments based on criteria originally developed by the American Academy of Neurology and recently modified by the American Congress of Rehabilitation Medicine. The three selection criteria weighted most heavily were: a) acceptable psychometric characteristics, b) published record of clinical utility for diagnosis, prognosis and outcome monitoring, and c) ease of use.
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| Scoring |
Total score range= 0-23. Diagnoses (Coma, Vegetative State, Minimally Conscious State, Emerged from Minimally Conscious State) are derived directly from subscale scores. |
| Psychometric Properties |
Selected from a field of 14 instruments based on criteria originally developed by the American Academy of Neurology and recently modified by the American Congress of Rehabilitation Medicine. The three selection criteria weighted most heavily were: a) acceptable psychometric characteristics, b) published record of clinical utility for diagnosis, prognosis and outcome monitoring, and c) ease of use.
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| Rationale/Justification |
NeuroRehab Specific
Strengths: Very well known, used in the field for many years, and has very good psychometric properties.
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| References |
Giacino JT, Kalmar K, Whyte J. The JFK Coma Recovery Scale-Revised: measurement characteristics and diagnostic utility. Arch Phys Med Rehabil. 2004 Dec;85(12):2020-2029.
Giacino, J & Kalmar, K. (2006). Coma Recovery Scale-Revised. The Center for Outcome Measurement in Brain Injury. Available at: http://www.tbims.org/combi/crs Accessed September 14, 2020.
Giacino JT, Katz DI, Schiff ND, Whyte J, Ashman EJ, Ashwal S, Barbano R, Hammond FM, Laureys S, Ling GSF, Nakase-Richardson R, Seel RT, Yablon S, Getchius TSD, Gronseth GS, Armstrong MJ. Practice guideline update recommendations summary: Disorders of consciousness: Report of the Guideline Development, Dissemination, and Implementation Subcommittee of the American Academy of Neurology; the American Congress of Rehabilitation Medicine; and the National Institute on Disability, Independent Living, and Rehabilitation Research. Neurology. 2018;91(10):450-460. Erratum in: Neurology. 2019;93(3):135.
Document last updated January 2022
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