What are the guidelines on treatment setting based on the pneumonia severity index (PSI) risk class in bacterial pneumonia?

Updated: Sep 30, 2020
  • Author: Justina Gamache, MD; Chief Editor: Guy W Soo Hoo, MD, MPH  more...
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Current guidelines suggest that patients may be treated in an outpatient setting or may require hospitalization depending on their PSI risk class, as follows:

  • Classes I and II – Outpatient management

  • Class III – Admission to an observation unit or for short hospital stay

  • Classes IV and V – Treatment in inpatient setting

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