Knowledge, attitudes, and practices of patients and family members regarding the use of susceptibility-weighted imaging-based optimized substantia nigra imaging in Parkinson’s diagnosis

Knowledge, attitudes, and practices of patients and family members regarding the use of susceptibility-weighted imaging-based optimized substantia nigra imaging in Parkinson’s diagnosis. Download PDF Abstract This study evaluated the knowledge, attitudes, and practices (KAP) regarding susceptibility-weighted imaging-based optimized substantia nigra (SN-SWI) among patients with Parkinson’s disease (PD) and family members in Suzhou, China. A cross-sectional survey was conducted between April 1, 2024, and March 1, 2025, across three hospitals in Suzhou.

The questionnaire captured demographic characteristics and KAP scores. Of the 501 valid responses, 71.86% of participants were aged ≤ 60 years. Mean scores were 6.82 ± 3.97 for knowledge (possible range: 0–13), 25.49 ± 4.71 for attitude (possible range: 8–40), and 15.43 ± 5.58 for practice (possible range: 5–25).

Knowledge was positively correlated with practice, as was attitude with practice. Structural equation modeling (SEM) confirmed significant direct paths from attitude to practice and from knowledge to practice. Mediation analysis revealed direct effects from knowledge and attitude on practice, with no significant indirect effect between knowledge and practice.

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