Results of Subject Follow-up Based on Either Initial Clinical or Initial Image-Based Classifications
| Classification | Total | Did not convert to dementia | Did convert to dementia |
| Baseline clinical | |||
| aMCI | 11 | 4 | 7 (7 AD) |
| mdMCI | 7 | 2 | 5 (4 AD and 1 FTD) |
| naMCI | 9 | 3 | 6 (4 LBD, 1 AD, and 1 FTD) |
| Baseline image-based | |||
| AD | 18 | 4 | 14 (11 AD, 2 LBD, and 1 FTD) |
| LBD | 2 | 0 | 2 (1 LBD and 1 FTD) |
| FTD* | 7 | 5 | 2 (1 AD and 1 LBD) |
↵* FTD defined as absence of both increased 11C-PiB and decreased 11C-dihydotetrabenazine binding; could be normal.