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Number of participants classified as plasmatic Aβ+ or plasmatic Aβ− based on the plasma soluble Aβ42/Aβ40 ratio, using a threshold of 0.0465, as determined by decision tree, and according to their amyloid status determined by CSF or PET analysis.
| All Individuals | CSF/PET Aβ+ | CSF/PET Aβ− |
|---|---|---|
| Plasmatic Aβ+ | 64 | 32 |
| Plasmatic Aβ− | 10 | 45 |
