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Summary statistics for each diagnosis group.N is the number of subjects in each group. The second part of the table shows mean and quartiles of age.
| Diagnosis | N | Min. | Q1. | Median | Mean | Q3. | Max. |
|---|---|---|---|---|---|---|---|
| Control | 229 | 59.90 | 72.30 | 75.60 | 75.87 | 78.50 | 89.60 |
| MCI | 387 | 60.10 | 70.85 | 75.60 | 75.30 | 80.40 | 89.30 |
| AD | 180 | 59.90 | 70.98 | 76.15 | 75.90 | 81.58 | 89.10 |
