. Author manuscript; available in PMC: 2019 Jan 30.

Published in final edited form as: J Alzheimers Dis. 2019;67(2):757–768. doi: 10.3233/JAD-170578

Table 1.

Participant demographics and characteristics.

	Mean	SD	Range
Age (years)	70.9	8.8	55-88
Sex (% Male)	57.5
Diagnosis (MCI / AD dementia)	24 / 16
Education (years)	15.9	2.8	8-20
AMNART	116.6	9.6	94-131
MMSE	24.7	4.1	12-30
FAQ	11.1	8.5	0-30
AES-I	55.0	10.7	30-71
PiB DVR (cortical aggregate)	1.52	0.30	1.02-2.07
PiB-positive (%)	79 (MCI: 70; AD dementia: 93)

AD (Alzheimer’s disease), AES-I (Apathy Evaluation Scale Informant report), AMNART (American National Adult Reading Test), DVR (distribution volume ratio), FAQ (Functional Activities Questionnaire), MCI (mild cognitive impairment), MMSE (Mini-Mental State Exam), PiB (Pittsburgh Compound B), SD (standard deviation).