Table 2 Allelic frequencies for HFE mutations in controls, AD, PD and MCI patients
| Â | C282Y | Â | p | H63D | Â | p |
|---|---|---|---|---|---|---|
| Â | A | G | Â | G | C | Â |
Controls (n = 115) | 5 (2.2%) | 225 (97.8%) | Â | 43 (18.7%) | 187 (81.3%) | Â |
AD (n = 130) | 6 (2.3%) | 254 (97.7%) | 0.92 | 49 (18.8%) | 211 (81.2%) | 0.97 |
MCI (n = 55) | 3 (2.7%) | 107 (97.3%) | 0.75 | 24 (22.2%) | 84 (77.8%) | 0.45 |
PD (n = 132) | 18 (6.8%) | 246 (93.2%) | 0.01* | 48 (18.2%) | 216 (81.8%) | 0.88 |