PURPOSE: To clarify the influence of surgical volume on the mortality and morbidity of gastrointestinal perforation in children in Japan.
METHODS: We collected data on pediatric patients with gastrointestinal perforation between 2017 and 2019, from the National Clinical Database. The surgical volumes of various institutions were classified into three groups: low (average number of surgeries for gastrointestinal perforation/year
* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.