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POSSUM: A scoring system for surgical audit

British journal of surgery · 1991 · Vol. 78(3) · pp. 355–360

G P Copeland✉(Broadgreen Hospital)Daryl Jones(Broadgreen Hospital)James Walters(Broadgreen Hospital)

Abstract

POSSUM, a Physiological and Operative Severity Score for the enUmeration of Mortality and morbidity, is described. This system has been devised from both a retrospective and prospective analysis and the present paper attempts to validate it prospectively. Logistic regression analysis yielded statistically significant equations for both mortality and morbidity (P less than 0.001). When displayed graphically zones of increasing morbidity and mortality rates could be defined which could be of value in surgical audit. The scoring system produced assessments for morbidity and mortality rates which did not significantly differ from observed rates.

Cardiac, Anesthesia and Surgical Outcomes Hemodynamic Monitoring and Therapy Surgical Simulation and TrainingMedicineAuditGeneral surgeryAccounting

MeSH terms

AgedEnglandHospitalsHumansMedical AuditMiddle AgedOutcome and Process Assessment, Health CarePostoperative ComplicationsProspective StudiesRegression AnalysisRiskSeverity of Illness IndexSurgical Procedures, OperativeReproducibility of Results

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