Key result
Severity of illness and extent of co-morbidity were more important in determining the risk of poor outcomes after abdominal surgery than the identity of the diseased organ.
Cohort (n=1,238)
No
Severity of illness and comorbidities are more important predictors of poor outcomes in abdominal surgery than the specific diseased organ.
Comorbidity and illness severity merit priority in abdominal surgery prognostication; hypothesis-generating and leaves causal inference open for prospective validation.
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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John C. Hall (1992) conducted a cohort in Abdominal surgery (n=1,238). Severity of illness and extent of co-morbidity vs. Identity of the diseased organ was evaluated on Wound infection, recurrent intraperitoneal sepsis, hospital stay, admission to the intensive care unit, and death. Severity of illness and extent of co-morbidity were more important in determining the risk of poor outcomes after abdominal surgery than the identity of the diseased organ.
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