How are coexisting illnesses scored in the pneumonia severity index (PSI) for bacterial pneumonia?

Updated: Sep 30, 2020
  • Author: Justina Gamache, MD; Chief Editor: Guy W Soo Hoo, MD, MPH  more...
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Answer

Coexisting illnesses are scored as follows:

  • Neoplasia – Add 30 points

  • Liver disease – Add 20 points

  • Congestive heart failure, cerebrovascular disease, renal disease – Add 10 points for each


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