To investigate this possibility, we conducted a large meta-analysis of laying hen mortality in conventional cages, furnished cages and cage-free aviaries using data from 6040 commercial flocks and 176 million hens from 16 countries. We show that except for conventional cages, mortality gradually ...
Spittal MJ, Pirkis J, Gurrin LC (2015) Meta-analysis of incidence rate data in the presence of zero events. BMC Med Res Methodol 15:42... MJ Spittal,J Pirkis,LC Gurrin - 《Bmc Medical Research Methodology》 被引量: 8发表: 2015年 Issues with the Random Effects Approach in Meta-Analysi...
It was a meta - analysis a study of studies. 这是一次经常改变的分析,需要持续的研究. 互联网 It a meta - analysis, a study of studies. 这是对已有研究的再分析. 互联网 We performed a systematic review and meta - analysis of data to examine this association. ...
Meta-analysis BMD All of the enrolled trials reported BMD. Among them , three trials reported lumbar BMD , one trial reported left distal one-third radial BMD and hip BMD. The merged data indicated the existence of sign...
aThis can be the most important event of the year except graduation (毕业典礼) day. 这可以是年的最重要的事件除了毕业 (毕业典礼) 天。[translate] aOn the contrary, a meta-analysis of individual patient data was not 相反,对各自的耐心数据的阶分析不是[translate]...
Meta-analysis is the use of statistical techniques to combine and analyze data from multiple already-published studies. Philosophical discussion of meta-analysis so far has focused on one question: Is meta-analysis an objective wa...
Prospective designs may be most efficient, if they try to maximize the overlap of genotyping platforms and anticipate the combination of data across many genome-wide association studies. 展开 关键词: Humans Parkinson Disease Odds Ratio Prospective Studies Siblings Genotype Meta-Analysis as Topic Genome...
We also use optional cookies for advertising, personalisation of content, usage analysis, and social media. By accepting optional cookies, you consent to the processing of your personal data - including transfers to third parties. Some third parties are outside of the European Economic Area, with...
Prepare your data for meta-analysis Declaring the meta-analysis data is the first step of your meta-analysis in Stata. During this step, you specify the main information needed for meta-analysis such as the study-specific effect sizes and their standard errors. You declare this information once...
此外应注意的是,无论是何种数据,在RevMan中进行Meta分析时,“Data Type”都应选择“Generic Inverse Variance”。 关于单个率的Meta分析,异质性是一个值得思考和今后需要解决的问题。无论是本文中所举实例还是文献中关于Stata及R等软件所报道的例子,即使所纳入的研究是严格按纳入与排除标准进行,但进行异质性检验时,...