Effect of hospital case-volume on mortality after ovarian cancer surgery: a population-based retrospective cohort study

This study attempted to reassess and update the association between surgical case-volume and both in-hospital and long-term mortality after ovarian cancer surgery using recent data. Design: This study is a population-based retrospective cohort study. Participants/Material: Data from all adult patients who underwent ovarian cancer surgery in Korea between 2005 and 2019 were obtained from the national database. A total of 24,620 patients underwent ovarian cancer surgery in 362 hospitals during the period. Setting: In-hospital and 1, 3, 5-year mortality were set as primary and secondary outcomes. Methods: Hospitals were categorized into high-volume (>90 cases/year), medium-volume (20-90 cases/year), and low-volume (
Source: Gynecologic and Obstetric Investigation - Category: OBGYN Source Type: research