P-POSSUM: Portsmouth Physiological and Operative Severity Score for the en - Evidencio
P-POSSUM: Portsmouth Physiological and Operative Severity Score for the enumeration of Mortality.
The original POSSUM logistic regression equation for mortality overpredicts the overall risk of death by more than twofold and the risk of death for patients at lowest risk (5 per cent or less) by more than sevenfold. The P-POSSUM equation produced a very close fit with the observed in-hospital mortality.

The P-POSSUM contains 18 variables. The first 12 variables below concern the physiological score. The last 6 variables below concern the operative score. 

NOTE: If your input values are either higher or lower than the ranges shown below, enter the highest or lowest value possible, since it no longer affects the calculation of the risk. 
Autores de la investigación: R.R. Prytherch, M.S. Whitely, B. Higgins, P.C. Weaver, W.G. Prout, S.J. Powell
Versión: 1.5
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P-POSSUM predicted mortality: %

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it seems possible that a system based on the POSSUM physiological and operative severity scores using the modified P-POSSUM method of analysis could become a standard method of calculating expected outcomes against which observed outcomes may be measured, using, as it does, simple clinical data only.

It was never intended to affect the decision to operate, a decision that must always remain clinical. It could theoretically assist in the direction of resuscitative efforts. 

 

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