Examples of Common Data Elements
| Type of CDE | Definition | Example of CDE |
| General core | Recommended for all NIH-funded studies: general | C00031: race expanded category |
| Disease-specific core | Recommended for all NIH-funded studies: disease specific (TBI) | C01001: Glasgow Coma Scale (GCS)—motor response scale |
| Basic* | Recommended for all TBI NIH-funded studies: specific to subdiseases (eg, epidemiology and moderate/severe: rehabilitation) | C07155: Disability Rating Scale Total Score |
| Supplemental | Recommended for NIH-funded studies: specific to study design or type of research | C07145: JFK Coma Recovery Scale-Revised—total score |
*Basic CDEs are comparable to supplemental-highly recommended CDEs for other diagnostic categories.
CDEs, Common Data Elements; NIH, National Institutes of Health; TBI, traumatic brain injury.