An Online Tool for Global Benchmarking of Risk-Adjusted Surgical Outcomes

Richard T. Spence, David C. Chang, Kathryn Chu, Eugenio Panieri, Jessica L. Mueller, Matthew M. Hutter

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Increasing evidence demonstrates significant variation in adverse outcomes following surgery between countries. In order to better quantify these variations, we hypothesize that freely available online risk calculators can be used as a tool to generate global benchmarking of risk-adjusted surgical outcomes. Methods: This is a prospective cohort study conducted at an academic teaching hospital in South Africa (GSH). Consecutive adult patients undergoing major general or vascular surgery who met the ACS-NSQIP inclusion criteria for a 3-month period were included. Data variables required by the ACS risk calculator were prospectively collected, and patients were followed for 30 days post-surgery for the occurrence of endpoints. Calculating observed-to-expected ratios for ten outcome measures of interest generated risk-adjusted outcomes benchmarked against the ACS-NSQIP consortium. Results: A total of 373 major general and vascular surgery procedures met the inclusion criteria. The GSH operative cohort varied significantly compared to the 2012 ACS-NSQIP database. The risk-adjusted O/E ratios were significant for any complication O/E 1.91 (95 % CI 1.57–2.31), surgical site infections O/E 4.76 (95 % CI 3.71–6.01), renal failure O/E 3.29 (95 % CI 1.50–6.24), death O/E 3.43 (95 % CI 2.19–5.11), and total length of stay (LOS) O/E 3.43 (95 % CI 2.19–5.11). Conclusion: Freely available online risk calculators can be utilized as tools for global benchmarking of risk-adjusted surgical outcomes.

Original languageEnglish (US)
Pages (from-to)1-7
Number of pages7
JournalWorld Journal of Surgery
DOIs
StateAccepted/In press - Jul 28 2016
Externally publishedYes

ASJC Scopus subject areas

  • Surgery

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