Could we design the RCT as a non-inferiority trial at this situation? [Design Issues]

posted by dennis001 – Hong Kong, 2022-07-24 17:39 (19 d 20:04 ago) – Posting: # 23163
Views: 442

(edited by dennis001 on 2022-07-24 17:52)

Dear all,

We plan to conduct a randomized controlled trial.
The goal of an RCT is to compare the difference of complication rates of CVD surgery between two groups (group A and group B).
The patients in group A will take medicine (traditionally treatment) and the patients in group B without taking medicine.

Notably, we want to design the RCT as a non-inferiority trial. That is, the effect of complication rates of patients without taking medicine in group B is not worse than the patients in group A with take medicine.


So, could we design the RCT as a non-inferiority trial?

Moreover, how to defining the non-inferiority margin at the situation?


Thanks a lot!

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