由于数据是从去年8月到今年1月收集，取自各地，数据不均匀， 所以需要调整。

来源: SwiperTheFox 于 2022-01-24 20:16:39 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (658 bytes)
本帖于 2022-01-24 20:16:56 时间, 由普通用户 SwiperTheFox 编辑
回答: 可否告知疫苗效果人保护率%怎么计算？ 由 Help14 于 2022-01-24 19:27:21

VE was calculated as ([1−odds ratio] x 100%), estimated using a test-negative design, adjusted for age, geographic region, calendar time (days since August 26, 2021), and local virus circulation (percentage of SARS-CoV-2–positive results from testing within the counties surrounding the facility on the date of the encounter) and weighted for inverse propensity to be vaccinated or unvaccinated (calculated separately for each VE estimate). Generalized boosted regression trees were used to estimate the propensity to be vaccinated based on sociodemographic characteristics, underlying medical conditions, and facility characteristics.

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• Thanks a lot! -Help14- ♀ 给 Help14 发送悄悄话 (0 bytes) () 01/25/2022 postreply 16:20:54

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