Table 1.
Summary statistics of ROSMAP samples included in analysis
| Variable | MF (n = 225) | IT (n = 219) | VM (n = 198) | PPUT (n = 218) |
|---|---|---|---|---|
| Sex (F/M) | 147/78 | 141/78 | 129/69 | 140/78 |
| APOE ε4 status (−/+) | 178/47 | 175/44 | 154/44 | 172/46 |
| PMI (mean hours, s.d.) | 8 (6.9) | 8 (6.6) | 8 (7.1) | 8 (6.9) |
| Age at study entry (mean years, s.d.) | 83 (6) | 83 (6) | 83 (6) | 83 (6) |
| Age at death (mean years, s.d.) | 89 (5.8) | 89 (5.8) | 89 (5.8) | 89 (5.8) |
| Cognitive AD diagnosis, last visit (CN/MCI/AD) | 83/64/71 | 81/61/71 | 67/58/67 | 79/61/71 |
| Postmortem AD diagnosis (AD/non-AD) | 90/135 | 86/133 | 79/119 | 86/132 |
AD Alzheimer’s disease, CN cognitively normal, F female, IT inferior temporal cortex, M male, MCI mild cognitive impairment, MF midfrontal cortex, PMI postmortem interval, PPUT posterior putamen