| Index test information | References standard information | |
| Dementia present (any form of dementia) | Dementia absent | |
| Index test positive | ¹⁸F‐FDG PET+ who convert to any forms of dementia (TP) | ¹⁸F‐FDG PET+ who remain MCI (FP) |
| Index test negative | ¹⁸F‐FDG PET‐ who convert to any forms of dementia (FN) | ¹⁸F FDG‐PET‐ who remain MCI (TN) |
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