Table 5.

Basic CDEs for Rehabilitation Studies for Moderate–Severe TBI^a

All ages
Education years number	Epidural hematoma indicator
Traumatic brain injury mechanism type	Subdural hematoma acute indicator
Pupil reactivity to light left eye result	Subarachnoid hemorrhage indicator
Pupil reactivity to light right eye result	Midline shift supratentorial indicator
Subarachnoid hemorrhage indicator	Contusion indicator
Hospital discharge date and time	Intracerebral hemorrhage indicator
Hospital discharge destination type	Intraventricular hemorrhage indicator
Pupil left eye measurement	Diffuse axonal injury indicator
Pupil right eye measurement	Penetrating injury indicator
Pupil shape left eye type	Intracranial procedures indicator
Pupil shape right eye type	Cervicomedullary junction or brainstem injury indicator
Loss of consciousness indicator	Edema indicator
Loss of consciousness reporter type	Brain swelling indicator
Post-traumatic amnesia indicator	Ischemia or infarction or HI injury indicator
Post-traumatic amnesia reporter type	Brain atrophy or encephalomalacia result
Alteration of consciousness indicator	Therapy or rehabilitation type
Alteration of consciousness reporter type	Therapy or rehabilitation ICD-9-CM code
Imaging study date and time	Therapy or rehabilitation frequency
Imaging modality type	Therapy or rehabilitation session duration
Imaging scanner strength value	Therapy or rehabilitation start date and time
Imaging scanner manufacturer name	Therapy or rehabilitation end date and time
Imaging scanner model name	Therapy or rehabilitation ongoing indicator
Imaging scanner software version number	Residence type
Imaging sequence type	Death date and time

Adult-specific	Pediatric-specific
Marital or partner status	Education/school participation status

^aDefinitions and guidelines are available on the CDE web site.¹⁸

CDE, common data element; TBI, traumatic brain injury; H-I, hypoxia-ischemia; ICD-9-CM, The International Classification of Diseases, Ninth Revision, Clinical Modification.