| Index test information | References standard information | |
| ADD present | ADD absent | |
| Index test‐positive | 18F‐florbetapir PET ligand for Aβ (+) who progress to ADD (TP) | 18F‐florbetapir PET ligand for Aβ (+) who remain MCI (FP) and 18F‐florbetapir PET ligand Aβ (+) who progress to non‐ADD (FP) |
| Index test‐negative | 18F‐florbetapir PET ligand for Aβ (‐) who progress to ADD (FN) | 18F‐florbetapir PET ligand for Aβ (‐) who remain MCI (TN) and 18F‐florbetapir PET ligand for Aβ (‐) who progress to non‐ADD (TN) |
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