NVCR—The efficacy threshold for FDA approval of a non-invasive medical device is low to none, so you can't infer much from that.
p.s. In #msg-148856966, I meant to say, “measurement bias” rather than “selection bias.” The abstract dealt with the latter (by applying covariates based on baseline characteristics), but not the former.
“The efficient-market hypothesis may be the foremost piece of B.S. ever promulgated in any area of human knowledge!”
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