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  • Title: Improving chronic disease care by adding laypersons to the primary care team: a parallel randomized trial.
    Author: Adair R, Wholey DR, Christianson J, White KM, Britt H, Lee S.
    Journal: Ann Intern Med; 2013 Aug 06; 159(3):176-84. PubMed ID: 23922063.
    Abstract:
    BACKGROUND: Improving the quality and efficiency of chronic disease care is an important goal. OBJECTIVE: To test whether patients with chronic disease working with lay "care guides" would achieve more evidence-based goals than those receiving usual care. DESIGN: Parallel-group randomized trial, stratified by clinic and conducted from July 2010 to April 2012. Patients were assigned in a 2:1 ratio to a care guide or usual care. Patients, providers, and persons assessing outcomes were not blinded to treatment assignment. (ClinicalTrials.gov: NCT01156974). SETTING: 6 primary care clinics in Minnesota. PATIENTS: Adults with hypertension, diabetes, or heart failure. INTERVENTION: 2135 patients were given disease-specific information about standard care goals and asked to work toward goals for 1 year, with or without the help of a care guide. Care guides were 12 laypersons who received brief training about these diseases and behavior change. MEASUREMENTS: The primary end point for each patient was change in percentage of goals met 1 year after enrollment. RESULTS: The percentage of goals met increased in both the care guide and usual care groups (changes from baseline, 10.0% and 3.9%, respectively). Patients with care guides achieved more goals than usual care patients (82.6% vs. 79.1%; odds ratio, 1.31 [95% CI, 1.16 to 1.47]; P < 0.001); reduced unmet goals by 30.1% compared with 12.6% for usual care patients; and improved more than usual care patients in meeting several individual goals, including not using tobacco. Estimated cost was $286 per patient per year. LIMITATIONS: Providers' usual care may have been influenced by contact with care guides. Last available data in the electronic health record were used to assess end points. CONCLUSION: Adding care guides to the primary care team can improve care for some patients with chronic disease at low cost.
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