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. Author manuscript; available in PMC: 2018 Apr 19.
Published in final edited form as: Am J Geriatr Psychiatry. 2017 Jan 4;25(7):683–693. doi: 10.1016/j.jagp.2016.12.017

Figure 1.

Figure 1

Results from Cross-Sectional Model. Values for baseline apathy (scores on the NPI-Q apathy item) as predicted by the reduced cross-sectional general linear model including posterior cingulate FDG metabolism (F=4.46; df=1,396; p=0.035), diagnosis (F=14.89; df=2,396; p<0.0001), sex (F=5.04; df=1,396; p=0.025), and baseline antidepressant medications (presence or absence; F=4.55; df=1,396; p=0.034). Symbols designate values. Variation in the symbols and lines connecting them differentiate various groupings. To indicate diagnosis: circles = AD dementia; squares = MCI; triangles = CN; for sex: dashed line = male; solid line = female; for antidepressant medication use: large symbol = presence of antidepressant medication; small symbol = absence of antidepressant medication. NPI-Q: Neuropsychiatric Inventory Questionnaire; FDG: 18F-fluorodeoxyglucose; AD: Alzheimer’s disease; MCI: mild cognitive impairment; CN: cognitively normal.