作者
Qiuyue Ma, Jue Liu, Qiao Liu, Liangyu Kang, Runqing Liu, Wenzhan Jing, Yu Wu, Min Liu
发表日期
2021/12/1
来源
JAMA network open
卷号
4
期号
12
页码范围
e2137257-e2137257
出版商
American Medical Association
简介
Importance
Asymptomatic infections are potential sources of transmission for COVID-19.
Objective
To evaluate the percentage of asymptomatic infections among individuals undergoing testing (tested population) and those with confirmed COVID-19 (confirmed population).
Data Sources
PubMed, EMBASE, and ScienceDirect were searched on February 4, 2021.
Study Selection
Cross-sectional studies, cohort studies, case series studies, and case series on transmission reporting the number of asymptomatic infections among the tested and confirmed COVID-19 populations that were published in Chinese or English were included.
Data Extraction and Synthesis
This meta-analysis was conducted following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guideline. Random-effects models were used to estimate the pooled percentage and its 95% CI. Three researchers performed the …
学术搜索中的文章
Q Ma, J Liu, Q Liu, L Kang, R Liu, W Jing, Y Wu, M Liu - JAMA network open, 2021