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Demographic characteristics of control and Down syndrome study subjects and PMI of the brain samples donated by these individuals
| Characteristic | Controls (n = 17) | Down syndrome (n = 6) | Down syndrome with AD pathology (n = 9) |
|---|---|---|---|
| Age, mean (SD), y | 55.9(5.6) | 56.3(3.1)ns | 55.1(8.2)ns |
| Male sex (%) | 74.5 | 66.7 ns | 66.7 ns |
| PMI, mean (SD), h a | 17.0(6.9) | 9.7(7.2)ns | 12.0(11.3)ns |
Abbreviations: ns, not significant; PMI, post‐mortem interval.
‐Post‐mortem intervals are not available for all samples.
