How is Possum score calculated?

  1. POSSUM equation for morbidity: In [R / (1-R)]= −5.91 + (0.16 × physiological score) + (0.19 × operative severity score), where R is the predicted risk of morbidity.
  2. P-POSSUM equation for mortality: In [R / (1-R)] = −9.37 + (0.19 × physiological score) + (0.15 × operative severity score)
  3. Method of analysis:

Jul 31, 2011

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