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Background: Surgical site infections (SSI) are associated with increased morbidity and mortality. The purpose of this study was to investigate the ability of perioperative oral management (POM) to reduce the risk of SSI in abdominal surgery. Real-world data collected from 16 Japanese university hospital was reviewed. Methods: The medical records of consecutive 2,782 patients (1,750 men and 1,032 women) who underwent abdominal surgery under general anesthesia in 16 university hospitals were retrospectively reviewed. Detailed information about SSI was assessed and compared between patients with and without POM in univariate and multivariate analyses. Results: SSI were observed in 275 patients (incidence rate: 9.9%) and POM was delivered in 778 patients (28.0%). Univariate analyses revealed that diabetes mellitus, Eastern Cooperative Oncology Group (ECOG) performance status, the American Society of Anesthesiologists (ASA) classification, the surgical site, the preoperative Prognostic Nutritional Index score, POM, the extent of surgery, the operation time, and the amount of intraoperative blood loss were significantly associated with postoperative SSI (Chi-square or Mann-Whitney U-test, p |
