The UDS study population

NACC’s Uniform Data Set (UDS) is valuable resource for the AD research community because of the sample size, power, and comparability it offers. However, because of the way subjects are recruited, it is not suitable for research questions that require a statistically based sample of the U.S. population. Following are characteristics of the UDS study population that investigators should keep in mind when formulating their research questions:

Data collection for the UDS