TABLE 2.

NIA‐LOAD family‐based study neuropathology data

Autopsy	N (%)
Total neuropathology/autopsy information	836
Neuropathology/autopsy reports provided by family	181 (21.6%)
Autopsy by Columbia or study site	655 (78.3%)
Definite AD 24	492 (58.9%
Non‐AD dementia	47 (5.6%)
No dementia	116 (13.9%)

Note: Percentages are based on the total number of individuals with neuropathology or autopsy information.

Abbreviations: AD, Alzheimer's disease; NIA‐LOAD, National Institute on Aging Late‐Onset Alzheimer's Disease.