对手部卫生观察收集的正确尺寸期望
Sara M Reese1, Bryan C Knepper1, Rebecca Crapanzano-Sigafoos1
1Center for Research, Practice and Innovation, Association for Professionals in Infection Control and Epidemiology, APIC, Arlington, VA.
American journal of infection control
|December 21, 2024
概括
医院可以将手部卫生观察次数减少到每单位每月50次,而不会影响数据质量. 这种转变允许更多地专注于培训和反,以改善患者安全.
科学领域:
- 改善医疗保健质量 改善医疗保健质量
- 预防和控制感染的预防和控制.
- 医疗保健中的生物统计学
背景情况:
- 有效的手部卫生监测对于患者和工作人员的安全至关重要.
- 目前的手部卫生观察标准 (100-200/月/单位) 可能过度.
- 对于可靠数据的最佳观测数量还没有得到很好的定义.
研究的目的:
- 为了确定一个统计上可比的数量,手部卫生观察低于当前标准.
- 评估减少观测数量对数据质量和统计学意义的影响.
- 为医疗保健机构手部卫生监测的修订指南提供信息.
主要方法:
- 追溯分析了来自68个设施的873,618个手部卫生观察结果.
- 按设施,单位和月份对数据进行分层.
- 将数据重新抽样为25个,50个,100个和150个观测集,以与200个进行比较,包括对依附率 (50% - 90%) 的功率分析.
主要成果:
- 将缩小样本大小 (25-150) 与200个观测结果进行比较,在P=0.05.5时显示出最小的显著差异 (2.6%-4.3%).
- 平均信心区间宽度差异在0.05%至0.68%之间.
- 动力分析表明,对显著性的所需百分比差异从7.8% (在90%的坚持下150与200) 到30% (在50%的坚持下25与200).
结论:
- 将手部卫生观察量减少到每月50个单位是可行的,而不会影响数据质量,即使遵守率较低.
- 医疗机构可以通过减少直接监测的频率来优化资源配置.
- 建议在广泛的监测中转向强调培训,教育,文化,基础设施和反的范式转变.
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