From: Lack of association between PRNP 1368 polymorphism and Alzheimer's disease or vascular dementia
 | Control | AD | P valuea | VaD | P valuea |
---|---|---|---|---|---|
Number of subjects | 268 | 152 | Â | 192 | Â |
Gender | Â | Â | Â | Â | Â |
   Male, n (%) | 118 (44.0%) | 51 (33.55%) | 0.014 | 100 (52.1%) | 0.090 |
   Female, n (%) | 150 (56.0%) | 101 (66.45%) |  | 92 (47.9%) |  |
Mean age at disease onset (years ± SD) | - | 73.48 ± 8.00 | 0.006 | 71.95 ± 8.92 | 0.348 |
Mean age at blood collection (years ± SD) | 71.17 ± 8.68 | - |  | - |  |