摘要
目的评估麻疹疫苗接种的成本-效益和成本-效果。方法建立决策树-马尔科夫模型,以麻疹疫苗接种为研究策略,不接种为对照策略,以2014年浙江省出生人口数为队列人群,估计不同策略的长期成本和健康效果。采用净效益(NPV)、效益成本比(BCR)和增量成本效果比(ICER)进行策略间比较。通过敏感性分析评价各个参数的不确定性。结果实施麻疹疫苗接种策略需投入1602.37万元。成本效益分析结果显示,以麻疹总体经济负担计算,在模拟期限内麻疹疫苗接种可获得137813.08万元的净效益,BCR为7.06。成本效果分析结果显示,接种麻疹疫苗可避免186534例麻疹病例及3404例麻疹死亡病例,每投入85.90元可避免一例麻疹病例,每投入4707.31元可避免一例麻疹死亡。敏感性分析显示麻疫苗接种率和保护率是影响BCR的最主要因素。结论麻疹疫苗接种显示较高成本效益和成本效果价值,是一项经济有效的公共卫生干预措施。
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