Description of the NACC Database
The National Alzheimer's Coordinating Center's database consists of data collected from 29 Alzheimer's Disease Centers funded by the National Institute on Aging. The database consists of several datasets, and searches may be done on the entire database or on individual datasets. Access is granted by security level.
For an explanation of security levels, click here.
- The Minimum Data Set (MDS)
- Brief, cross-sectional clinical and demographic data abstracted for
subjects enrolled in NIA Alzheimer's Disease Centers 1984 - 2005.
- The Uniform Data Set (UDS)
- Standardized clinical examination, testing, diagnostic evaluation and
data collection protocol with annual longitudinal follow-up. Implemented
September 2005 and continuing.
- Neuropathology Data Set (NP)
- Neuropathologic features of subjects who had post-mortem
neuropathological examination, 1984 - present. These data include those subjects with MDS
and/or UDS clinical data.