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. 2026 May 22;13:1801802. doi: 10.3389/fmed.2026.1801802

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Copyright © 2026 Zhang, Ku, Jia, Wang, Zhou and Zhang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Horizontal bar chart comparing seven categories by total RPN value. Management leads with 606 (33.5%), followed by Personnel (333, 18.4%), Cleaning (320, 17.7%), Supplies (167, 9.2%), Equipment (163, 9.0%), Surveillance (152, 8.4%), and Environment (66, 3.7%). Each bar includes metrics: count, mean, and standard deviation. Chart title notes total RPN as sum, mean, standard deviation, and count. — Six-category risk distribution analysis total risk, mean, standard deviation and sample size.