防治23肺炎球菌多糖体疫苗对死亡率的保护作用:金星研究
Fumiko Murata1, Megumi Maeda1, Haruhisa Fukuda1
1Department of Health Care Administration and Management, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan.
Open forum infectious diseases
|September 27, 2024
概括
23价肺炎球菌多糖体疫苗 (PPSV23) 在日本老年人中显著降低了全因死亡率. 然而,该疫苗在该人群中没有显示出对肺炎死亡率的显著保护作用.
科学领域:
- 老年学是一门学科.
- 免疫学 免疫学 免疫学
- 公共卫生 公共卫生
背景情况:
- 肺炎仍然是老年人死亡的重要原因.
- 肺炎球菌疫苗对于预防肺炎球菌疾病及其并发症至关重要.
- 了解PPSV23在不同人群中的实际有效性至关重要.
研究的目的:
- 评估23肺炎球菌多糖体疫苗 (PPSV23) 在减少肺炎和全因死亡率方面的有效性.
- 评估PPSV23疫苗接种对日本老年人的影响.
主要方法:
- 使用了追溯匹配队列研究设计.
- 分析了2016年10月至2019年12月的索赔数据,接种疫苗记录和死亡证明.
- 考克斯的比例危险模型被用来计算死亡率的调整危险比率 (HRs).
主要成果:
- 接种PPSV23疫苗与所有原因死亡率显著降低有关 (调整HR,0.52;P <.001).
- 没有观察到肺炎死亡率显著降低 (调整HR,0.70;P = .374).
- 该研究包括55509名接种疫苗和55509名未接种疫苗的65岁以上的日本成年人.
结论:
- 接种PPSV23疫苗表明,在65岁及以上的日本成年人中,对所有原因的死亡率有保护作用.
- 该研究没有发现PPSV23在这个人口群中显著降低了肺炎死亡率的证据.
- 可能需要进一步的研究来探索肺炎死亡率缺乏观察到的影响的原因.
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