Outcome Reporting Bias Systematic Reviews. Assessing the risk of outcome reporting bias in systematic reviews Empirical Evidence Study Study level Are studies with statistically significant or positive results more likely to be published than those finding no difference between the study group. PDF Background Discrepancies in outcome reporting DOR between protocol and published studies include inclusions of new outcomes omission of.
Howard B Scott JT Blubaugh M Roepke B Scheckel C Vassar M 2017 Systematic review. DOR can result in outcome reporting bias ORB when changes in outcomes occur after knowledge of results. Outcome reporting bias is a problem in high impact factor neurology journals.
Bias due to selective inclusion and reporting of outcomes and analyses in systematic reviews of randomised trials of healthcare interventions.
Outcome reporting bias in trials. PLoS ONE 12 7. Outcome reporting bias ORB occurs when variables are selected for publication based on their results. A systematic review for a particular outcome of interest can only include studies where that outcome was reported and so may omit for example a study that has considered several outcome measures but only reports those giving significant results.