临床试验/NCT01599390

NCT01599390已完成不适用

Burden of Influenza in the United States, July 1997 up to April 2009

GlaxoSmithKline0 个研究点目标入组 1 人开始时间: 2012年7月最近更新: 2013年2月25日

适应症

试验速览

阶段: 不适用
状态: 已完成
发起方: GlaxoSmithKline
入组人数: 1
主要终点: Occurrences of potentially influenza-attributable hospitalization or death by age, risk status, region and season.

研究概览研究设计入排标准结局指标研究者记录与标识符相似试验

研究概览

简要总结

The study will assess the burden of severe influenza outcomes by age, risk status, and influenza subtype, in order to create a profile of the burden of influenza-related morbidity and mortality in United States from July 1997 to April 2009.

详细描述

This epidemiological study is a modelling of time series retrospectively extracted from multiple databases. Data will be extracted from existing electronic healthcare databases.

研究设计

研究类型: Observational
时间视角: Retrospective

入排标准

性别: All
接受健康志愿者: 否

入选标准

•Recorded in the US NIS hospitalization data or the US National Vital Statistics System (NVSS) mortality data with a pre-specified diagnostic code.

排除标准

•Missing data in the following fields: age, primary discharge diagnosis, admission month (NIS) /month of death (NVSS), and status at discharge (alive / dead).

结局指标

主要结局

Occurrences of potentially influenza-attributable hospitalization or death by age, risk status, region and season.

时间窗: From July 1997 to April 2009 (i.e., up to almost 12 years)

Amount of circulating influenza A and B, and RSV strains determined for each season.

时间窗: From July 1997 to April 2009 (i.e., up to almost 12 years)

次要结局

Influenza vaccine content and effectiveness by season.(From July 1997 to April 2009 (i.e., up to almost 12 years))
Influenza vaccine coverage by season.(From July 1997 to April 2009 (i.e., up to almost 12 years))

研究者

发起方

GlaxoSmithKline

申办方类型

Industry

责任方

Sponsor

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