Comparison of POSSUM and P-POSSUM as Audit Tools in Patients Undergoing Emergency Laparotomy for Secondary Bacterial Peritonitis
Keywords:
peritonitis, risk scoring, possum, p-possum, mortality, morbidity
Abstract
Background : Though POSSUM and P-POSSUM have been proposed as accurate tools of audit, our initial experience has not been encouraging. Therefore, a prospective study was conducted to find their accuracy for predicting outcome in peritonitis patients who underwent emergency laparotomy. Methods : 172 patients treated in single surgical unit over two years were included. Expected morbidity and mortality, computed by POSSUM and P-POSSUM equations using linear as well as exponential methods of analysis, were compared with observed outcome by observed: expected (O:E) ratios. X2-test was done to draw statistical significance; P
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2013-07-01
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