Table 5.
Describing Mean Category Difficulty of CRS-R Rating Scale Categories by Item Operationalized to States of Consciousness Based on the Aspen Consensus Criteria
| Item | Rating scale category | Rating scale category | Mean category difficulty | Operationalization to Aspen criteria (Schnakers et al, 2009) |
|---|---|---|---|---|
| Oromotor/Verbal | 0 | None | -5.66 | Vegetative State/Unresponsive Wakefulness Syndrome |
| Arousal | 0 | None | -5.09 | Vegetative State/Unresponsive Wakefulness Syndrome |
| Motor | 0 | None | -4.95 | Vegetative State/Unresponsive Wakefulness Syndrome |
| Auditory | 0 | None | -4.3 | Vegetative State/Unresponsive Wakefulness Syndrome |
| Visual | 0 | None | -3.57 | Vegetative State/Unresponsive Wakefulness Syndrome |
| Motor | 1 | Abnormal Posturing | -3.16 | Vegetative State/Unresponsive Wakefulness Syndrome |
| Arousal | 1 | Eye Opening with Stimulation | -2.56 | Vegetative State/Unresponsive Wakefulness Syndrome |
| Oromotor/Verbal | 1 | Oral Reflexive Movement | -2.44 | Vegetative State/Unresponsive Wakefulness Syndrome |
| Auditory | 1 | Auditory Startle | -1.83 | Vegetative State/Unresponsive Wakefulness Syndrome |
| Visual | 1 | Visual Startle | -1.62 | Vegetative State/Unresponsive Wakefulness Syndrome |
| Motor | 2 | Flexion Withdrawal | -1.19 | Vegetative State/Unresponsive Wakefulness Syndrome |
| Visual | 2 | Fixation | -0.59 | Minimally Conscious State |
| Motor | 3 | Localization to Noxious Stimuli | -0.27 | Minimally Conscious State |
| Communication | 0 | None | -0.08 | Vegetative State/Unresponsive Wakefulness Syndrome |
| Auditory | 2 | Localization to Sound | -0.02 | Vegetative State/Unresponsive Wakefulness Syndrome |
| Motor | 4 | Object Manipulation | 0.3 | Minimally Conscious State |
| Visual | 3 | Visual Pursuit | 0.37 | Minimally Conscious State |
| Arousal | 2 | Eye Opening Without Stimulation | 0.99 | Vegetative State/Unresponsive Wakefulness Syndrome |
| Oromotor/Verbal | 2 | Vocalization/Oral Movement | 1.2 | Vegetative State/Unresponsive Wakefulness Syndrome |
| Motor | 5 | Automatic Motor Response | 1.57 | Minimally Conscious State |
| Visual | 4 | Object Localization: Reaching | 1.67 | Minimally Conscious State |
| Auditory | 3 | Reproducible Movement to Command | 1.74 | Minimally Conscious State |
| Communication | 1 | Non-functional: Intentional | 1.99 | Minimally Conscious State |
| Visual | 5 | Object Recognition | 3.18 | Minimally Conscious State |
| Oromotor/Verbal | 3 | Intelligible Verbalization | 3.83 | Minimally Conscious State |
| Communication | 2 | Functional: Accurate | 4.06 | Emerged from Minimally Conscious State |
| Auditory | 4 | Consistent Movement to Command | 4.13 | Minimally Conscious State |
| Arousal | 3 | Attention | 4.25 | Not aligned to criteria |
| Motor | 6 | Functional Object Use | 4.49 | Emerged from Minimally Conscious State |
Rating scale categories at the top indicate less neurobehavioral function and categories at the bottom indicate more neurobehavioral function.