And it seems that FDA reviewers are in LOVE with subgroups, given their fascination with homogeneity/heterogeneity of effect sizes in the subgroups. I suppose I understand it when it comes to writing labeling, but YOU CAN ANSWER THE SAME QUESTION, WITH GREATER POWER TO DETECT DIFFERENCES IF YOU MODEL THE DATA WITH INTERACTIONS. Thanks, Doc, thought I was alone in the desert on this one. Steve Denham
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