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. Author manuscript; available in PMC: 2019 Mar 22.
Published in final edited form as: J Am Geriatr Soc. 2018 Oct 13;67(2):269–276. doi: 10.1111/jgs.15638

Table 4.

Costs Associated with Misdiagnosis of Dementia

Variable b (Standard Error) P-Value Marginal Effects (2015$)
Claims misidentification (reference true negative1)
 False negative2 −0.088 (0.140) .53 −732 (1,129)
 False positive3 0.632 (0.152) <.001 7,316 (2,321)
 True positive4 0.321 (0.171) .06 3,183 (1,944)
Age −0.003 (0.006) .60 −26 (50)
Female −0.202 (0.087) .02 −1,814 (810)
Black 0.166 (0.100) .10 1,491 (939)
Hispanic 0.010 (0.116) .93 89 (1,000)
Married −0.305 (0.093) .001 −2,457 (707)
Education 0.016 (0.011) .17 136 (99)
Medicaid insured −0.009 (0.003) .003 −79 (27)
Number of comorbidities 0.143 (0.019) <.001 1,234 (169)
Blessed Dementia Rating Scale 0.100 (0.026) <.001 867 (224)
Cognitive composite −0.227 (0.078) .004 −1,957 (677)
1

Clinical diagnosis of no dementia and identified as not having dementia in claims.

2

Clinical diagnosis of dementia but identified as not having dementia in claims.

3

Clinical diagnosis of no dementia but identified with dementia in claims.

4

Clinical diagnosis of dementia and identified with dementia in claims.