Table 1. Information for the patients’ samples used in this study.
Control | Preclinical AD | AD | FTLD_tau | LBD | |
---|---|---|---|---|---|
Description | Healthy individuals/normal controls–frontal cortex | Asymptomatic/preclinical AD with mild AD pathology–frontal cortex | End-stage AD | FTLD_tau–frontal cortex | LBD–frontal cortex (with minimal neurodegeneration) |
n | 10 | 9 | 14 | 10 | 10 |
Age at death (means ± SD) | 69.3 ± 9.7 | 81.4 ± 9.5 | 69.7 ± 11.0 | 66.4 ± 11.9 | 71.3 ± 9.3 |
Sex | 5 (M) and 5 (F) | 5 (M) and 4 (F) | 8 (M) and 6 (F) | 7 (M) and 3 (F) | 6 (M) and 4 (F) |
Race | 7 (white) and 3 (Black) | 8 (white) and 1 (Black) | 13 (white) and 1 (Black) | 9 (white) and 1 (Hispanic) | 10 (white) |
PMI | 8.2 ± 3.5 | 8.4 ± 5.3 | 8.2 ± 4.8 | 5.8 ± 4.4 | 13.7 ± 5.3 |
Diagnosis | The normal control group was composed of individuals with no history of neurologic disease and no obvious neurodegenerative pathology at autopsy. | The asymptomatic AD group was composed of individuals with normal cognition who exhibit obvious AD pathology at death (ABC scores of “low” and “intermediate”) (49). | “ABC” scores were determined per NIA-AA guidelines (49) | FTLD_tau was assessed according to consensus guidelines (50, 51). | The diagnosis of Lewy body disease was established using consensus criteria (51, 52). |