Bias caused by sampling error in meta-analysis with small sample sizes
L Lin - PloS one, 2018 - journals.plos.org
Background Meta-analyses frequently include studies with small sample sizes. Researchers
usually fail to account for sampling error in the reported within-study variances; they model …
usually fail to account for sampling error in the reported within-study variances; they model …
Cardiac computed tomography versus transesophageal echocardiography for the detection of left atrial appendage thrombus: a systemic review and meta‐analysis
S Yu, H Zhang, H Li - Journal of the American Heart Association, 2021 - Am Heart Assoc
Background Transesophageal echocardiography (TEE) has been considered the gold
standard for left atrial appendage (LAA) thrombus detection. Nevertheless, TEE may …
standard for left atrial appendage (LAA) thrombus detection. Nevertheless, TEE may …
Meta-analysis of proportions using generalized linear mixed models
Epidemiologic research often involves meta-analyses of proportions. Conventional two-step
methods first transform each study's proportion and subsequently perform a meta-analysis …
methods first transform each study's proportion and subsequently perform a meta-analysis …
[HTML][HTML] Performing arm-based network meta-analysis in R with the pcnetmeta package
Network meta-analysis is a powerful approach for synthesizing direct and indirect evidence
about multiple treatment comparisons from a collection of independent studies. At present …
about multiple treatment comparisons from a collection of independent studies. At present …
Assessment of serological responses following vaccination campaigns with type 2 novel oral polio vaccine: a population-based study in Tajikistan in 2021
A Mirzoev, GR Macklin, Y Zhang, BA Mainou… - The Lancet Global …, 2022 - thelancet.com
Background Novel oral poliovirus vaccine type 2 (nOPV2) was used to control an outbreak
of type 2 circulating vaccine derived poliovirus (cVDPV2) in Tajikistan, in 2021. We …
of type 2 circulating vaccine derived poliovirus (cVDPV2) in Tajikistan, in 2021. We …
The normality assumption on between-study random effects was questionable in a considerable number of Cochrane meta-analyses
Background Studies included in a meta-analysis are often heterogeneous. The traditional
random-effects models assume their true effects to follow a normal distribution, while it is …
random-effects models assume their true effects to follow a normal distribution, while it is …
Exclusion of studies with no events in both arms in meta-analysis impacted the conclusions
Objectives Classical meta-analyses routinely treated studies with no events in both arms
noninformative and excluded them from analyses. This study assessed whether such …
noninformative and excluded them from analyses. This study assessed whether such …
Network meta-analysis of randomized clinical trials: reporting the proper summaries
J Zhang, BP Carlin, JD Neaton, GG Soon… - Clinical …, 2014 - journals.sagepub.com
Background In the absence of sufficient data directly comparing multiple treatments, indirect
comparisons using network meta-analyses (NMAs) can provide useful information. Under …
comparisons using network meta-analyses (NMAs) can provide useful information. Under …
Adding caplacizumab to standard of care in thrombotic thrombocytopenic purpura: a systematic review and meta-analysis
Immune thrombotic thrombocytopenic purpura (iTTP) is an acquired, fatal microangiopathy if
untreated. Randomized controlled trials (RCTs) demonstrated faster time to response with …
untreated. Randomized controlled trials (RCTs) demonstrated faster time to response with …
Pitfalls of using the risk ratio in meta‐analysis
I Bakbergenuly, DC Hoaglin… - Research Synthesis …, 2019 - Wiley Online Library
For meta‐analysis of studies that report outcomes as binomial proportions, the most popular
measure of effect is the odds ratio (OR), usually analyzed as log (OR). Many meta‐analyses …
measure of effect is the odds ratio (OR), usually analyzed as log (OR). Many meta‐analyses …