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Imbalanced ratios across different classes of OASIS-1, OASIS-2, and OASIS-3.
| Imbalanced Ratio | |||
|---|---|---|---|
| Class Label | OASIS-1 | OASIS-2 | OASIS-3 |
| Class 0: Normal | N/A | N/A | N/A |
| Class 1: very mild AD | 4.8:1 | 1.67:1 | 2.34:1 |
| Class 2: Mild AD | 12:1 | 5.02:1 | 4.62:1 |
| Class 3: Moderate AD | 168:1 | 68.7:1 | 6.72:1 |
