Table 1.
The characteristics of participants with AD, NC, MCI-c, and MCI-nc.
| AD (n = 121) | NC (n = 120) | MCI-c (n = 126) | MCI-nc (n = 108) | |
|---|---|---|---|---|
| Age (years) | 74.87 ± 8.07 | 75.26 ± 6.52 | 73.47 ± 7.23 | 73.33 ± 7.73 |
| Gender (M/F) | 70/51 | 58/62 | 77/49 | 69/39 |
| Education (years) | 15.72 ± 2.61 | 16.43 ± 2.74 | 16.09 ± 2.64 | 15.89 ± 2.63 |
| MMSE score | 21.71 ± 3.94 | 29.18 ± 0.98 | 26.88 ± 1.76 | 28.06 ± 1.75 |
| APOE ε4 (NC/HT/HM) | 41/80/0 | 79/33/8 | 37/65/24 | 67/35/6 |
| ADAS-cog score | 21.52 ± 7.96 | 5.76 ± 3.02 | 13.60 ± 4.64 | 8.03 ± 3.47 |
| Conversion time (years) | – | – | 1.48 ± 0.69 | – |
AD, Alzheimer's disease; NC, normal control; MCI, mild cognitive impairment; MCI-c, MCI converter; MCI-nc, MCI non-converter; M/F, male/female; MMSE, Mini-Mental State Examination; APOE, apolipoprotein E; NC, non-carrier; HT, heterozygote; HM, homozygote; ADAS-cog, Alzheimer's Disease Assessment Scale-Cognitive Subscale.