EVIDENCE-BASED MEDICINE CORNER- Bias in RCTs: confounders, selection bias and allocation concealment Abdelhamid,Attia - 《Middle East Fertility Society Journal》 被引量: 22发表: 2005年 Metformin and gonadotropins for ovulation induction in patients with polycystic ovary syndrome: a systematic review ...
A Randomised Controlled Trial (RCT) design usually prevents selection bias, but not when participation is voluntary. Despite the abundance of literature on the existence of selection bias, few studies provide in-depth insights on how these selection effects take place in practice, and what causes ...
Randomized controlled trials (RCTs) are c... CY Lu - 《International Journal of Clinical Practice》 被引量: 104发表: 2009年 Analysis of Observational Studies in the Presence of Treatment Selection Bias. This article presents data from medical research on treatment selection bias. Results from ...
DeVilbiss et al (2023) examined relationships between preconception adiposity and human offspring sex and sex ratio. Using data from a prospective, preconception cohort nested within a randomized controlled trial (RCT) based at 4 U.S. clinical sites (2006 to 2012), these researchers employed logist...
Subgroup or Selection Bias? 来自 ResearchGate 喜欢 0 阅读量: 12 作者: Mitja Lainscak,Stephan von Haehling,Stefan D Anker 摘要: Cardiac biomarkers play an important role in heart failure. The family of natriuretic peptides, especially B-type natriuretic peptide, was identified as a valued ...
Country development and manuscript selection bias: a review of published studies Background Manuscript selection bias is the selective publication of manuscripts based on study characteristics other than quality indicators. One reason m... R Yousefi-Nooraie,B Shakiba,S Mortaz-Hejri - 《Bmc Medical...
Following their evaluation in randomised controlled trials (RCTs), direct oral anticoagulants (DOACs) have replaced warfarin for stroke prevention in atrial fibrillation (AF), and treatment and prevention of venous thromboembolism (VTE). To avoid selection bias, it is recommended that RCTs use an ...
Quality evaluation of RCTs on traditional Chinese medicine injection intervention for AECOPD The risk of bias in the included literature is assessed using the Cochrane Risk of Bias (ROB) tool [Citation34]. RevMan v. 5.4.1 is utilized to illustrate the assessment of the risk of bias. Any conf...
As a result, academic search engines can also find grey literature (documents not published by commercial publishers) such as academic theses and organization reports, reducing possible publication bias in a SR. [3] The process of searching through multiple academic databases and search engines can ...
allocationconcealmentpredictionandselectionbias配置concealmentprediction和选择偏差 系统标签: allocationbiasselectionconcealmentrandomisationalternation Allocationconcealment, predictionandselectionbias ProfessorDavidTorgerson Director,YorkTrialsUnit, UniversityofYork UnitedKingdom Background •Randomisedcontrolledtrials(RCTs) ...