Measurement Characteristics and Clinical Utility of the Coma Recovery Scale-Revised Among Individuals With Acquired Brain Injury

      The Coma Recovery Scale-Revised1 (CRS-R; 23 items) requires common items and straightforward instructions from the CRS-R manual ( to administer the 25-minute test. The CRS-R is a clinical measure for adults with disorders of consciousness (DOC) from acquired brain injury. It was first developed as the JFK Coma Recovery Scale in 1991,2 but feedback from users of the scale and Rasch analysis led to revision.1 Standardized sensory stimuli including visual, motor, auditory, oromotor, and communication domains are tested, with responses consistent with coma, vegetative state, minimally conscious state, or emergence from the minimally conscious state. The standard approach of the CRS-R reduces the likelihood of DOC misdiagnosis.1,3,4
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