在比利时工作中追踪COVID-19接触者 - - 追踪人员如何更好地调整指南
Jerome Kieltyka1, Jinane Ghattas2, Sandrine Ruppol3
1CESI ASBL, Avenue Konrad Adenauer 8, 1200, Woluwe-Saint-Lambert, Belgium. jerome.kieltyka@gmail.com.
BMC public health
|November 4, 2023
概括
比利时的COVID-19接触追踪器没有一致遵循对高风险接触者 (HRC) 和低风险接触者 (LRC) 的分类指南. 然而,他们的实际风险分层比单独的指南更好地预测了感染风险.
科学领域:
- 公共卫生 公共卫生
- 流行病学 流行病学
- 传染病控制和控制传染病
背景情况:
- COVID-19接触者追踪依赖于预先定义的标准,以区分高风险接触者 (HRC) 和低风险接触者 (LRC).
- 评估接触追踪剂是否符合这些既定标准对于有效的感染控制至关重要.
研究的目的:
- 评估比利时的接触追踪器是否在实践中应用了HRC和LRC分类的官方标准.
- 为了确定接触追踪剂对指导方针的偏差是否改善了感染风险评估的准确性.
主要方法:
- 在比利时,通过向111,763名工人分发的匿名在线调查,进行了一项回顾性队列研究.
- 基于指导方针和基于追踪器的风险分类之间的一致性使用积极和消极协议指标进行了评估.
- 多变量波桑回归分析了基于两种分类方法的阳性测试风险比 (RR).
主要成果:
- 基于指南和基于追踪器的HRC/LRC分类之间的积极一致性为0.53,负面一致性为0.70.
- 与基于指南的标准 (2.24) 相比,接触追踪剂的风险分层显示了较高的RR测试阳性 (3.10).
- 接触追踪器的类型并没有显著影响分类结果.
结论:
- 比利时的接触追踪器并不总是遵循预先定义的标准来分类高风险和低风险的接触者.
- 通过接触追踪剂进行的实际风险分层表明,与单独的指导方针相比,在预测感染风险方面具有更好的能力.
- 这些发现表明需要重新评估和潜在地调整当前的联系人追踪指南,以纳入经验丰富的追踪者所获得的见解.
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