Clinical outcome of endoscopic mucosal resection of sporadic, nonampullary duodenal adenoma

I read with interest the study by Tomizawa and Ginsberg1 in Gastrointestinal Endoscopy in 2018. They identified that increasing adenoma size may be associated with increased risk of recurrence and post-EMR bleeding.1 The results were very interesting; however, I am concerned about the statistical methods that estimated the effect of increasing adenoma size on the studied outcomes.

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