Which index can be used to guide inpatient care and mortality risk for bacterial pneumonia, and how accurate is it?

Updated: Sep 30, 2020
  • Author: Justina Gamache, MD; Chief Editor: Guy W Soo Hoo, MD, MPH  more...
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Consider using the pneumonia severity index (PSI) score as a guide for inpatient care and mortality risk. The Agency for Healthcare Research and Quality (AHRQ) has an interactive tool to calculate the PSI score. [40]

Note that the PSI score may underestimate the patient's need for admission (ie, a young otherwise healthy patient who is vomiting or has social factors that precludes him or her taking medicine). Conversely, the PSI score tends to overestimate the mortality in the higher risk patients.

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