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Pneumonia Severity Index

The Pneumonia Severity Index (PSI) is a tool for assessing severity of community-acquired pneumonia, and predicting 30-day mortality.

Age
 
Gender
Comorbidities
 
 
 
 
Examination
 
 
 
 
Investigations
 
 
 
 
 
 
Calculate
 
 

 
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  • Grade 1 (10-70) - 0.6% mortality
  • Grade 2 (80-90) - 0.9% mortality
  • Grade 3 (100-130) - 9.3% mortality
  • Grade 4 (>140) - 27% mortality
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