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Dear expert,

    I am doing subgroup analyses for five variables (e.g., medication status, subtype of the disease, and so on) one by one using SDM. And I just performed subgroup analysis for one group of a variable (e.g., medication free) and then made a conclusion.
    Is there anything wrong? Should I use an ANOVA to find whether the subgroup effect is significant? Or should I concern about multiple comparison issues? I cannot find any proof for doing these works, but they seem reasonable.

Thanks a lot and best wishes!