Results summary from the brain age prediction model
| Experiment | Results | Notes |
|---|---|---|
| Model validation | MAE = 2.46 yr | Existing work MAE = 4–13.5 yr |
| Cross-sectional ANOVA | P < .01 | All comparisons except NC/sMCI |
| Longitudinal ANOVA (slopes) | P < .05 | All cMCI comparisons except cMCI-AD |
| Longitudinal ANOVA (intercepts) | P < .01 | All AD comparisons |
| 1-year interval t tests | P < .01 | sMCI/cMCI up to 4 years before conversion |
| Correlation analysis | P < .05 | p-tau, aβ, APOE-4 |