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 - Northwestern Memorial Hospital - Chicago

Surgical site infection following vascular or general surgery

A surgical site is the location of the incision made to access the part of the body being surgically removed, repaired or replaced. A surgical site infection is an infection of the skin and/or tissue in or around a surgical wound site that occurs after surgery.

All surgeries involve risk and the possibility of complications.  While some patients have higher risks than others, some complications may be preventable.  

About this measure

This measure tracks patients who experienced surgical site infection after general or vascular surgery, based on a sampling methodology developed by the American College of Surgeons National Surgical Quality Improvement Program (NSQIP).

The surgical site infection rate for general and vascular surgery patients is expressed as an odds ratio. This reports the estimated odds of an event happening at Northwestern Memorial compared to the estimated odds of that event happening in all hospitals in the ACS NSQIP database. A number of 1.0 means the hospital is performing as expected. A number less than 1.0 means the hospital is performing better than expected. A number greater than 1.0 means the hospital is performing worse than expected.

Note: While Northwestern Memorial results may be higher or lower than ACS NSQIP comparisons each period, our most recent performance is considered by ACS NSQIP to be "as expected" for this surgical outcome.  Given the number of patients in the measure, the results are statistically similar than expected.

 In this case, a lower number is better.

Most Recent Available Data (Odds Ratio)
Northwestern Memorial 1.25
National Database Participant Comparison 1
Performance Trend (Odds Ratio)
  2010 Q2 2011 2012
Northwestern Memorial 1.24 1.2 1.25
National Database Participant Comparison 1.00 1 1
Source:American College of Surgeons National Surgical Quality Improvement Program https://acsnsqip.org/
surgical site infection, all surgical
Last UpdateDecember 18, 2013

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