What is the P possum score formula? A guide to Portsmouth-POSSUM calculation
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2 min read
The original POSSUM surgical scoring system, first described in 1991, was later modified to correct for over-prediction of mortality in low-risk patients. This led to the development of the Portsmouth-POSSUM, or P-POSSUM, which provides a more accurate prediction of mortality risk, using its own unique P possum score formula for calculation.
