分析疾病控制和预防中心的死亡率数据,使用每周超过死亡率数量和每周死亡率指标变化:一个时间序列研究
Aditya Chakrabarty1, Mohan D Pant1
1Department of Epidemiology, Biostatistics, & Environmental Health, Joint School of Public Health Old Dominion University Norfolk Virginia USA.
Health science reports
|September 17, 2025
概括
这项研究引入了一种用于预测特定原因死亡率 (CSM) 数量的新方法. 该方法使用多变量时间序列模型,并引入每周超值死亡人数 (WEMC) 和每周死亡人数变化指标 (WCMI) 来计算公共卫生政策的概率.
科学领域:
- 公共卫生 公共卫生
- 生物统计学 生物统计学
- 流行病学 流行病学
背景情况:
- 特定原因死亡率 (CSM) 的预测对公共卫生政策至关重要.
- 现有的方法可能缺乏针对特定因果干预所需的细节性.
研究的目的:
- 开发和验证用于CSM计数预测的新型分析方法.
- 计算14种特定死亡原因的简单,复合和有条件概率.
- 引入和应用新的指标:死亡率计数每周超值 (WEMC) 和死亡率指标每周变化 (WCMI).
主要方法:
- 一个多变量时间序列预测模型被应用于CDC每周死亡率数据.
- 为14种死亡原因 (COD) 创建了一个二进制数据矩阵,包含观察到的和预测到的死亡率.
- 统计测试 (基平方,克莱默的V,威尔科克森等级和) 用于验证.
主要成果:
- 在COD和WEMC之间没有发现统计学意义上的关联 (p=0.79,Cramer's V=0.055).
- 预测模型显示一致性,观察和预测计数之间没有显著差异 (p=0.11).
- 计算了与WCMIs相关的概率,说明了该方法的实用性.
结论:
- 开发的分析方法可以计算各种CSM事件的概率.
- 该方法支持公共卫生干预,资源分配和风险评估.
- 政策制定者可以通过监测影响死亡率趋势的因素来利用这种方法进行知情决策.
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