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Cost-effectiveness of a multicondition collaborative care intervention: a randomized controlled trial
Wayne Katon1, Joan Russo, Elizabeth H B Lin
1Department of Psychiatry and Behavioral Sciences, Box 356560, University of Washington School of Medicine, Seattle, WA 98195-6560, USA. wkaton@uw.edu
This study found that the TEAMcare intervention improved depression and chronic disease management for adults with depression and diabetes or heart disease. The program offered high value, improving quality-adjusted life-years (QALYs) with no or modest additional costs.
Area of Science:
- Health Services Research
- Chronic Disease Management
- Mental Health Interventions
Background:
- Patients with depression and poorly controlled diabetes mellitus, coronary heart disease (CHD), or both experience higher medical complication rates and healthcare costs.
- Effective management of comorbid psychiatric and medical conditions may reduce healthcare utilization and improve quality of life.
Purpose of the Study:
- To evaluate the cost-effectiveness of a multicondition collaborative treatment program (TEAMcare) compared to usual primary care (UC).
- To assess the impact of TEAMcare on depression scores, hemoglobin A1c (HbA1c), systolic blood pressure (SBP), and low-density lipoprotein cholesterol (LDL-C) levels in outpatients with depression and poorly controlled diabetes or CHD.
Main Methods:
- A randomized controlled trial was conducted across 14 primary care clinics within an integrated healthcare system.
- 214 adults with depressive disorder and poorly controlled diabetes or CHD were identified via population-based screening.
- The intervention involved physician-supervised nurses collaborating with primary care physicians to manage multiple disease risk factors, with blinded assessments of outcomes over 24 months.
Main Results:
- Intervention patients experienced an average of 114 additional depression-free days over 24 months compared to UC controls.
- The TEAMcare program yielded an estimated 0.335 additional quality-adjusted life-years (QALYs) per patient.
- Outpatient healthcare costs were lower for intervention patients, with a mean difference of $594 per patient.
Conclusions:
- The systematic TEAMcare intervention program is a high-value approach for adults with depression and poorly controlled diabetes or CHD.
- The program significantly improved QALYs with no or modest additional costs.
- This collaborative treatment model effectively enhances both mental health and chronic disease management.
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