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Updated: Aug 18, 2026
Colon Ascendens Stent Peritonitis (CASP) - a Standardized Model for Polymicrobial Abdominal Sepsis
Published on: December 18, 2010
A casemix of patients undergoing abdominal surgery
1University Department of Surgery, Royal Perth Hospital, WA.
Objective:
To construct a casemix for patients undergoing abdominal surgery.
Design:
A prospective longitudinal study. Wound infection was chosen as the target adverse event. A cluster analysis identified seven risk factors, which were then incorporated into a Boolean cluster (the casemix).
Setting:
Royal Perth Hospital.
Patients:
1238 adults.
Main Outcome Measures:
Wound infection, recurrent intraperitoneal sepsis, hospital stay, admission to the intensive care unit, and death.
Results:
Measures of the severity of illness and the extent of co-morbidity were more important in determining the risk of a poor outcome than was the identity of the diseased organ.
Conclusions:
Estimates of severity of illness and extent of co-morbidity should be included in any casemix based system for patients undergoing abdominal surgery.
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