ArticleCureus2025
Effectiveness of Six Sigma in Managing Medical Errors in the Electronic Drug Administration Record (EDAR) System.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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10 authors.
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Abstract
introductionMedication errors can occur at any stage of the medication process, including prescribing, preparing, dispensing, or administering the medication by nurses. Any of these medication errors will impact patient safety and healthcare quality.
aimThis study aimed to evaluate the effectiveness of the Six Sigma methodology in reducing medication errors within the Electronic Drug Administration Record (EDAR) system at the Armed Forces Hospital in Dhahran, Saudi Arabia.
methodsAn assessment and the key elements of the Institute for Safe Medication Practices for medication use system were applied to the medication system to identify our pain points. A multidisciplinary team utilized the Six Sigma methodology following the phases of Define, Measure, Analyze, Improve, and Control framework over a 12-month period. Before intervention, data on prescribing errors were collected from the incident report system and compared retrospectively to all inpatient prescriptions from the EDAR pharmacy system. Prescribing errors analysis revealed a baseline error rate set at 2.1%. Key performance indicators were established to measure the effectiveness of implemented interventions.
resultsImplementing targeted interventions resulted in a significant reduction in inpatient prescribing errors, achieving a new error rate of 1.3% and surpassing the initial target of ≤1.9%. The observed errors decreased from 2.1% to 1.3%, and the Sigma level improvement from 3.5 to 3.7 indicates a substantial enhancement in process performance, suggesting a true impact of the intervention. The defects per million opportunities improved from 20,532 to 13,760, reflecting a shift in the Sigma level from 3.5 to 3.7. Feedback from stakeholders indicated improved communication and user satisfaction with the EDAR system.
conclusionThe study demonstrates that Six Sigma methodology effectively reduces medication errors and enhances patient safety within healthcare settings. Continued investment in optimizing pharmacy systems and fostering a culture of safety is crucial for sustaining these improvements and advancing the quality of patient care.
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