Propensity score matching is needed to evaluate the clinical success rate of peroral endoscopic myotomy

We read with interest the article by Vauquelin et  al1 on the factors associated with early failure of peroral endoscopic myotomy (POEM). Since the first report of POEM by Inoue et al,2 several studies have explored the risk factors related to clinical failure of POEM.
Source: Gastrointestinal Endoscopy - Category: Gastroenterology Authors: Tags: Letters to the Editor Source Type: research