• Med. J. Malaysia · Oct 2003

    Comparative Study

    POSSUM--a model for surgical outcome audit in quality care.

    • K J Ng and M K Yii.
    • Department of Surgery, Sarawak General Hospital, Kuching, Sarawak.
    • Med. J. Malaysia. 2003 Oct 1; 58 (4): 516-21.

    AbstractComparative surgical audit to monitor quality of care should be performed with a risk-adjusted scoring system rather than using crude morbidity and mortality rates. A validated and widely applied risk adjusted scoring system, P-POSSUM (Portsmouth-Physiological and Operative Severity Score for the enUmeration of Mortality) methodology, was applied to a prospective series of predominantly general surgical patients at the Sarawak General Hospital, Kuching over a six months period. The patients were grouped into four risk groups. The observed mortality rates were not significantly different from predicted rates, showing that the quality of surgical care was at par with typical western series. The simplicity and advantages of this scoring system over other auditing tools are discussed. The P-POSSUM methodology could form the basis of local comparative surgical audit for assessment and maintenance of quality care.

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