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KMID : 0191120230380460360
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Journal of Korean Medical Science
2023 Volume.38 No. 46 p.360 ~ p.360
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A Web-Based Decision Aid for Informed Prostate Cancer Screening: Development and Pilot Evaluation
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Jung Won-Young
Cho In-Young
Jeon Keun-Hye
Yeo Yo-Hwan
Jun Jae-Kwan
Suh Min-A
Jeong An-Suk
Lee Jung-Kwon
Shin Dong-Wook
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Abstract
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Background : Prostate-specific antigen-based routine screening is not recommended for the general population due to conflicting results with mortality reduction. We aimed to develop a web-based decision aid (DA) for informed decision making for prostate cancer screening.
Methods : Using the International Patient Decision Aid Standards (IPDAS) development process model, we developed our DA based on patient and clinician interviews and multidisciplinary expert discussions. The prototype consisted of predicting individual prostate cancer risk and informed decision-making, including knowledge, risk and benefit, cost, personal value, and decision making. We conducted a pilot study on 101 healthy men, evaluating the effectiveness of DA by measuring knowledge, attitude, and intention to screen before and after using the DA, as well as decisional conflict and usefulness after using the DA.
Results : Of the 101 participants (median age 60 [50?69] years), 84% had not undergone screening for prostate cancer in the past two years. After using the DA, knowledge on prostate cancer screening increased (mean score [of 10] before versus after: 6.85 ± 1.03 versus 7.57 ± 1.25; P < 0.001), and intention to not screen increased from 27.7% to 51.5% (P < 0.001), but attitude toward screening did not change (P = 0.564). After use of the DA, 79 participants reported no decisional conflict, and the usefulness score was high (mean score [of 100] 77.35 ± 7.69), with 85% of participants reporting that the DA helped with decision making.
Conclusion : Our web-based DA yielded increased knowledge, decreased screening intention, and high perceived usefulness. These findings indicate potential clinical relevance, especially among younger individuals.
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KEYWORD
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Prostate Cancer Screening, Decision Aid, Informed Decision-Making, Knowledge, Decisional Conflict
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