Aβ40, Aβ42(43), and total Aβ loads according to the -48 CT genotype in AD brains
| CC n=81 | CT n=17 | TT n=1 | p | |
| Aβ40 | 4.2 (4.0) | 1.9 (1.9) | 0.2 | <0.02 |
| Aβ42(43) | 10.5 (4.2) | 8.3 (5.5) | 8.6 | <0.04 |
| Total Aβ | 14.7 (6.7) | 10.2 (6.8) | 8.8 | <0.01 |
Values are % area occupied in Brodmann area 8/9 of the frontal cortex (mean (SD)).