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Results: The prevalence of medical errors was reported in 9 studies and prevalence rate ranged from 0.06% to 42%. Most studies used reporting forms completed by hospital employees for determining the prevalence of medical errors (67%). Only three studies collected data by reviewing patients’ medical records. Accordingly, the overall prevalence of medical error in Iran's hospitals based on the nine published articles was 0.01% (95% Cl 0%-0.01%) during 2008 to 2017. The highest medical error was recorded in a hospital in Shiraz, 2.1% (95% Cl: 1.4%-2.7%) in 2012. A significant statistical correlation was observed between medical errors and sample size (P<0.05).
Conclusion: The prevalence rate of medical error in Iran is low. It is strongly recommended to use more advanced and valid methods such as occurrence reporting, screening, and the global trigger tool for examining medical errors in Iranian hospitals. Proving adequate education and training to patients and employees, simplifying and standardizing hospital processes, enhancing hospital information systems, improving communication, promoting a safety culture, improving employees’ welfare and satisfaction, and implementing quality management strategies are useful for reducing medical errors.
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