Surgical site infection (SSI) is associated with substantial morbidity, mortality and economic burden. Management of spinal SSI is becoming more challenging especially in instrumented cases, but is not well recognized as high risk procedure. The objective of this study was to determine the impact of procedure type comparing SSI risk with arthroplasties among all orthopaedic procedures. Using prospectively collected data of consecutive samples in multi-center orthopedic SSI surveillance, we explored the differences in SSI rates within 30 days after surgery by procedure types. Patients who underwent surgery of single site between November 2013 and May 2016 were enrolled. SSI was our primary outcome. Urinary tract infection (UTI), and respiratory tract infection (RTI) were also evaluated. The definition of SSI was based on the CDC definition with slight modifications. All patients were followed for 30 days postoperatively. Multivariate logistic regression analyses were done, and variables were carefully selected for adjustments.Aim
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