Non-Inferiority Analysis
The non-inferiority margin is an adjusted absolute risk difference of 10 percentage points. Maintenance will be declared non-inferior if the upper bound of the 95% confidence interval for the adjusted risk difference does not exceed 10%. T…
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The non-inferiority margin is an adjusted absolute risk difference of 10 percentage points. Maintenance will be declared non-inferior if the upper bound of the 95% confidence interval for the adjusted risk difference does not exceed 10%. The investigators expect clinically significant postpolypectomy haemorrhage in 7% of patients in both groups.