between-study publication biasSummary This chapter contains sections titled: Introduction What is bias? Tools for assessing quality and risk of bias Introduction to sources of bias in clinical trials The Cochrane Collaboration's tool for assessing risk of bias Presentation of assessments of risk of ...
Assessingriskofbiasinincludedstudies评价纳入研究的偏倚风险 系统标签: sesgoassessingbiasriesgoincludedlos Evaluación del riesgo de sesgo de los estudios incluidos cochrane training Pasos de una revisión sistemática Cochrane 1. Formular la pregunta 2. Planificar los criterios de elegibilidad 3. Planifi...
Chapter 8:Assessing risk of bias in included studies. In: Higgins J, 15 Grees S, eds. Cochrane Handbook for Systematic Reviews of Interventions Version 5.1.0 16 17 18 (updated March 2011): The Cochrane Collaboration, 2011... Narges Ebrahimi - Systematic Review and Meta-Analysis 被引量: 0...
Flaws in the design, conduct, analysis, and reporting of randomised trials can cause the effect of an intervention to be underestimated or overestimated. The Cochrane Collaboration's tool for assessing risk of bias aims to make the process clearer and more accurate Randomised trials, and systematic...
Case-control studies are well suited for understanding the risks linked to rare outcomes but may be subject to recall bias for past exposure6,7. Animal studies are widely used in evaluating the risks of consumer products and environmental risks but may not be generalizable to humans8. Study ...
When there is no publication bias, the data points form a symmetrical upside-down funnel, as in Graph A, with smaller studies at the top and larger studies at the bottom. This graph suggests that there are even distributions of effect sizes. ...
Mitigating Hypothetical Bias: Evidence on the Effects of Correctives from a Large Field Study Article 29 June 2016 1 Introduction Underreporting of wages contributes significantly to the shadow economy, with firms complying with minimum requirements like minimum wages while paying a substantial portion ...
The bias from sequencing depth and bacterial DNA ratio across samples was controlled by normalizing the copies of ARGs by the total number of bacterial cells (Supplementary Fig. 11). FMT datasets collected for the application of the framework We collected 1,921 representative human gut microbiome ...
To ensure data quality, we adopted the following quality control measures: First, before the survey, we formulated unified survey methods and standards and all investigators from different medical institutions were trained to reduce the information bias of the investigators and improve the credibility of...
The aim of this study was to examine the presence and extent of small study effects and publication bias in meta-analyses (MAs) based on orthodontic studies. Materials and methods Following an extensive literature search, 25 MAs including 313 studies were identified and were possible to be re-...