In general, the term refers to the magnitude of the observed efficacy (often expressed as a hazard ratio) as distinct from the statistical analysis. In this case, however, the contention of clinically meaningful efficacy is meaningless insofar as the dataset was tampered with.
Almost every clinical trial would have great-looking results if one were allowed to exclude (the worst) 20% of the data points.
“The efficient-market hypothesis may be the foremost piece of B.S. ever promulgated in any area of human knowledge!”
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