Effect of shared decision making on HbA1c and self-management in type 2 diabetes mellitus: a meta-analysis

Corresponding author: wangjing, 800wj@163.com

DOI: 10.12201/bmr.202604.00023

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  Abstract: 【】 Objective To systematically evaluate the impact of shared decision-making on glycated haemoglobin levels and self-management in patients with type 2 diabetes mellitus. Methods Randomised controlled trials (RCTs) assessing the efficacy of shared decision-making in type 2 diabetes patients were retrieved from Chinese and English databases.Searches covered the period from the databases inception to July 2025, with a meta-analysis conducted using RevMan 5.4 software. Results Fourteen studies were included. A meta-analysis revealed that, compared with conventional care, shared decision-making effectively enhanced patients self-management capabilities, reduced HbA1c levels, and improved diabetes-related knowledge (all P < 0.05). Conclusion Current evidence indicates that shared decision-making, compared with conventional care, improves glycaemic control, lowers HbA1c levels, and enhances self-management capabilities and diabetes-related knowledge in patients with type 2 diabetes.

  Key words: Type 2 diabetes mellitus; shared decision-making; glycated haemoglobin; self-management; knowledge level; meta-analysis

  Submit time: 3 April 2026

  Copyright: The copyright holder for this preprint is the author/funder, who has granted biomedRxiv a license to display the preprint in perpetuity.
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  1	2026-03-01	10.12201/bmr.202604.00023V1	Download

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