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Demographics of AD and control samples used in this study
| AD subjects | Control subjects | |
|---|---|---|
| Total number | 271 | 337 |
| San Antonio, Texas | 189 | 4 |
| Charlottesville, Virginia | 82 | 0 |
| Jackson, Mississippi | 0 | 333 |
| Male/female | 196/75 | 127/210 |
| Mean age (yr ± SD) | 46.16 ± 13.09 | 46.43 ± 14.58 |
| Mean age of onset of AD (yr ± SD) | 30.13 ± 11.49 | NA |
