The autopsy rate exceeds 80% with 424 autopsies of 519 deaths (81.7%). Of these, 272 (64.2%) are women, 407 (96.0%) are non-Hispanic white, the average age at death is 88.5 and the interval from last evaluation to death is 10.6 months. The post-mortem interval is 8:07 hours:minutes. The summary clinical diagnoses have been completed for the first 418, of whom 136 (32.5%) were without cognitive impairment, 117 (28.0%) had MCI, 138 (33.0%) had probable AD, 18 (4.3%) had possible AD, and 9 (2.2%) had dementia due to another condition. The diagnostic pathologic evaluation has been completed for the first 402 (94.8%). Of the 424 persons with a brain autopsy, the spinal cord has been obtained on 411 (96.9%).
