Proportions of BChE-K allele frequencies in patients with Alzheimer’s disease (AD) and control subjects
| All <65 years | APOE ε4 carriers < 65 years | All ⩾ 65 years | APOE ε4 carriers ⩾ 65 years | All > 75 years | APOE ε4 carriers > 75 years | |
|---|---|---|---|---|---|---|
| Controls | 28/176 (15.9%) | 9/46 (19.6%) | 52/400 (13.0%) | 10/82 (12.2%) | 10/108 (9.3%) | 1/12 (8.3%) |
| AD | 17/108 (15.7%) | 6/50 (12.0%) | 52/298 (17.4%) | 31/202 (15.3%) | 13/70 (18.6%) | 5/42 (11.9%) |
| Significance | NS | NS | NS | NS | NS | NS |
NS = not significant.