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Predictive accuracy in different age groups
| Age group | Features | Variance of predictive error (years) | Mean absolute error (MAE, years) | Reduction of MAE (%) |
|---|---|---|---|---|
| 50–60 (N = 33) | MRI only | 11.40 | 4.03 | — |
| Bilinear fusion of MRI and blood parameters | 6.30 | 3.63 | 9.77 | |
| 60–70 (N = 30) | MRI only | 14.00 | 4.83 | — |
| Bilinear fusion of MRI and blood parameters | 9.78 | 3.93 | 18.62 | |
| 70–85 (N = 14) | MRI only | 16.59 | 7.14 | — |
| Bilinear fusion of MRI and blood parameters | 12.48 | 4.78 | 33.00 |
