Table 1:

Predicted Healthcare Costs for Legally Adjudicated Older Adults Experiencing Elder Mistreatment (n=114) and Matched Controls (n=410) in the 24 Months Surrounding Initial Mistreatment Identification Adjusted for Centers for Medicare and Medicaid Services Hierarchical Condition Categories Risk Score and based on Generalized Linear Model

	Estimated Cost		Incremental costs associated with elder mistreatment (95% Confidence Interval)	P value
	Case	Control
Total Cost
24 months surrounding mistreatment identification	$28,320	$22,051	$6,269 (−$835, $13,373)	0.08
12 months prior to mistreatment identification	$12,556	$11,184	$1,372 (−$2,599, $5,344)	0.50
12 months after mistreatment identification	$15,896	$10,811	$5,084 ($92, $10,077)	0.05
Acute/Sub-acute/Post-acute
24 months surrounding mistreatment identification	$20,039	$12,164	$7,875 ($973, $14,776)	0.03
12 months prior to mistreatment identification	$8,870	$6,628	$2,243 (−$2,013, $6,498)	0.30
12 months after mistreatment identification	$11,285	$5,468	$5,817 ($1,271, $10,362)	0.01
Ambulatory/Outpatient/Not acute
24 months surrounding mistreatment identification	$10,281	$11,114	−$833 (−$3,175, $1,510)	0.49
12 months prior to mistreatment identification	$4,946	$5,154	−$208 (−$1,486, $1,070)	0.75
12 months after mistreatment identification	$5,354	$5,966	−$612 (−$2,049, $825)	0.40