Automated Hermetically Sealed vs. Conventional Waste Management Systems in Hospitals : A Comparative Study of Microbial Presence

Sammanfattning

This study assesses the effectiveness of automated hermetically sealed waste management systems compared to conventional waste disposal methods in reducing microbial loads in hospitals. A comparative analysis was conducted between Södersjukhuset, which utilizes the automated system, and Östra Sjukhuset, which employs a conventional system. Microbial presence was quantified through colony forming units (CFUs). Results demonstrate that Södersjukhuset experienced a 49.3% reduction in mean CFU count and a 6.10% reduction in median CFU count compared to Östra Sjukhuset. Statistical analysis using the Mann-Whitney U test produced a p-value of 0.055, slightly above the significance threshold of 0.05, providing limited statistical support of the difference in microbial load between the hospitals. Hence, the findings suggest that there may be a potential for automated waste management systems to improve hospital sanitation and patient safety.