Randomized control trial of the impact of Patient Decision Aid (PDA) developed for Chinese primary open-angle glaucoma patients

Abstract

Introduction Patient Decision Aid (PDA) is a tool to prompt shared decision-making. The aim of this study was to evaluate the impact of a PDA on Chinese primary open angle glaucoma (POAG) patients. Methods All subjects were randomized into control and PDA group. The questionnaires, including 1) Glaucoma knowledge; 2) 8-item Morisky medication adherence scale (MMAS-8); 3) 10-item glaucoma medication adherence self-efficacy scale (GMASES-10); and 4) 16-item decision conflict scale (DCS), were evaluated at baseline, 3 and 6 months follow up. Results Totally, 156 subjects participated in this study, including 77 in the control group and 79 in the PDA group. Compared to the control group, PDA group showed around 1 point more improvement in disease knowledge at both 3 and 6 months (both p

The Author(s). Published by S. Karger AG, Basel

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