Variable | sMCI | pMCI | Σ | p value |
---|---|---|---|---|
n | 400 | 319 | 719 | |
Age (in years) | 73.2 ±7.5 | 74.0 ±7.1 | 73.6 ±7.3 | 0.1281 |
Gender (proportion of females) | 40.3% | 40.1% | 40.2% | 1.0000 |
Gender (proportion of males) | 59.8% | 59.9% | 59.8% | |
MMSE | 27.8 ±1.8 | 27.0 ±1.7 | 27.4 ±1.8 | <0.0001 |
CDR | 0.5 ±0.0 | 0.5 ±0.0 | 0.5 ±0.0 | 0.2640 |
ApoE ε4 (proportion of subjects with 0 alleles) | 56.8% | 34.2% | 46.7% | <0.0001 |
ApoE ε4 (proportion of subjects with 1 allele) | 34.0% | 49.5% | 40.9% | |
ApoE ε4 (proportion of subjects with 2 alleles) | 9.3% | 16.3% | 12.4% | |
Time to final diagnosis in months | 47.3 ±32.6 | 30.6 ±24.7 | 39.8 ±30.4 | <0.0001 |