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A Systematic Review and Meta-Analysis of Patient Decision Aids for Socially Disadvantaged Populations: Update from the International Patient Decision Aid Standards (IDPAS)

Abstract : Background. The effectiveness of patient decision aids (PtDAs) and other shared decision-making (SDM) interventions for socially disadvantaged populations has not been well studied. Purpose. To assess whether PtDAs and other SDM interventions improve outcomes or decrease health inequalities among socially disadvantaged populations and determine the critical features of successful interventions. Data Sources. MEDLINE, CINAHL, Cochrane, Psy-cINFO, and Web of Science from inception to October 2019. Cochrane systematic reviews on PtDAs. Study Selection. Randomized controlled trials of PtDAs and SDM interventions that included socially disadvantaged populations. Data Extraction. Independent double data extraction using a standardized form and the Template for Intervention Description and Replication checklist. Data Synthesis. Twenty-five PtDA and 13 other SDM intervention trials met our inclusion criteria. Compared with usual care, PtDAs improved knowledge (mean difference = 13.91, 95% confidence interval [CI] 9.01, 18.82 [I 2 = 96%]) and patient-clinician communication (relative risk = 1.62, 95% CI 1.42, 1.84 [I 2 = 0%]). PtDAs reduced decisional conflict (mean difference = 29.59; 95% CI 218.94, 20.24 [I 2 = 84%]) and the proportion undecided (relative risk = 0.39; 95% CI 0.28, 0.53 [I 2 = 75%]). PtDAs did not affect anxiety (standardized mean difference = 0.02, 95% CI 20.22, 0.26 [I 2 = 70%]). Only 1 trial looked at clinical outcomes (hemoglobin A1C). Five of the 12 PtDA studies that compared outcomes by disadvantaged standing found that outcomes improved more for socially disadvantaged participants. No evidence indicated which intervention characteristics were most effective. Results were similar for SDM intervention trials. Limitations. Sixteen PtDA studies had an overall unclear risk of bias. Heterogeneity was high for most outcomes. Most studies only had short-term follow-up. Conclusions. PtDAs led to better outcomes among socially disadvantaged populations but did not reduce health inequalities. We could not determine which intervention features were most effective.
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https://www.hal.inserm.fr/inserm-03315720
Contributor : Odile Malbec <>
Submitted on : Thursday, August 5, 2021 - 5:12:18 PM
Last modification on : Friday, August 6, 2021 - 3:31:59 AM

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Renata Yen, Jenna Smith, Jaclyn Engel, Danielle Muscat, Sian Smith, et al.. A Systematic Review and Meta-Analysis of Patient Decision Aids for Socially Disadvantaged Populations: Update from the International Patient Decision Aid Standards (IDPAS). Medical Decision Making, SAGE Publications, 2021, Online ahead of print. ⟨10.1177/0272989x211020317⟩. ⟨inserm-03315720⟩

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