Meta-analyses have become an instrument that is fundamental to the idea of best medical care. Meta-analyses combine the results of a large number of randomized controlled trials (RCTs) on a certain topic to gain more significant results. Should the reported effect size of RCTs change with time, the result of a meta-analysis would depend on when it was performed. Thus, the validity of a meta-analysis could be impaired.
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© 2006 Springer Science+Business Media, LLC
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Gehr, B.T., Weiss, C., Porzsolt, F. (2006). “Fading of Reported Effectiveness” Bias: Longitudinal Meta-Analysis of Randomized Controlled Trials. In: Porzsolt, F., Kaplan, R.M. (eds) Optimizing Health: Improving the Value of Healthcare Delivery. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-33921-4_25
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DOI: https://doi.org/10.1007/978-0-387-33921-4_25
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