Originally posted by hdugger
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"Concerned Dad - We do have a set of formal stopping rules for BrAIST. After 1/3 of the required sample has reached an endpoint, we are required to present the data to the NIH and the Data Safety Monitoring Board. These data could show: 1) Bracing is so much better than observation we should stop the trial; 2) Observation is so much better than bracing we should stop the trial; 3) The outcomes are so similar between the two groups we'll never be able to find a significant difference so we should stop the trial; or 4) The outcomes are different and we should continue the trial. "
So, the endpoint turned out to be #1 - Bracing is so much better than observation we should stop the trial.
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