Table 1.

Subject information

Variables	Measures
Number of subjects, n	27
Female (male), n	11 (16)
APOE-E4 carriers, n	8
Education (mean ± SD)	17±3
Baseline age (mean ± SD), years	76±5
Age at last follow-up (mean ± SD), years	79±5
Time between baseline and last scan (mean ± SD), years	3±1
Baseline ADAS_cog score (mean ± SD)	6±2
Baseline MMSE score (mean ± SD)	29±1
Subjects with changes in clinical symptoms, no MCI conversion, n	7
Subjects with MCI conversion, n	4

Abbreviations: ADAS_cog, Alzheimer’s Disease Assessment Scale – cognitive subscale; APOE-E4, apolipoprotein E4; MMSE, Mini-Mental Status Examination; MCI, mild cognitive impairment.