Table 2.

Two-Year Healthcare Utilization Patterns of Patients with Diagnosed Dementia, Undiagnosed Dementia and No dementia

	Diagnosed dementia (n = 544)	Undiagnosed dementia (n = 436)	No dementia (n = 1308)	Age-adjusted p-value*
Total number of healthcare episodes per patient over 2 years:
Clinic visits	14.5	11.8	9.8	0.08
Clinic “no-show”	0.5	0.4	0.3	<0.001
ED visits	2.5	1.7	0.8	<0.001
Hospitalizations	5.2	2.6	1.7	0.09
Percentage (%) of patients with at least one:
Clinic visit	99	99	99	0.97
Clinic “no-show”	53	43	29	<0.001
ED visit	53	48	25	<0.001
Hospitalization	46	31	21	0.02

Values are mean for continuous variables or percentage for categorical variables

ED emergency department

*P-values based on conditional logistic regression model adjusted for age, comparing undiagnosed to no dementia