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Annual rate of change in [11C] PIB positive and negative groups on four cognitive composites (z scores)
| Composite | Negative group | Positive group | Group × Time P values |
|---|---|---|---|
| Global, slope (SE) | −.01 (.01) | −.02 (.01) | .25 |
| Verbal memory, slope (SE) | .01 (.01) | .00 (.02) | .65 |
| Visuospatial, slope (SE) | −.01 (.01) | −.05 (.01) | .03 |
| Working memory, slope (SE) | .00 (.01) | −.04 (.01) | .02 |
