Mannheim Peritonitis Index (MPI) — free guideline decision tool
Predict mortality in secondary peritonitis with the Mannheim Peritonitis Index.
Open guideline tool →Guideline-based
Implements the decision logic from published clinical guidelines.
Runs in your browser
No installation. Enter the patient's values and get a guideline recommendation instantly.
Data stays local
Nothing is uploaded. Results are for licensed clinicians only.
Common questions
What does Mannheim Peritonitis Index (MPI) do?
Risk-stratify peritonitis to guide source control and monitoring intensity.
How is the result calculated?
Sum 8 factors (age > 50, female, organ failure, malignancy, duration > 24 h, non-colonic origin, diffuse peritonitis, exudate character), range 0–47. < 21 low, 21–29 intermediate, > 29 high.
Is this a substitute for clinical judgement?
No. All results are decision-support only, for licensed clinicians. They must be individualized to the whole patient and the latest guideline version.
Run Mannheim Peritonitis Index (MPI) now
Predict mortality in secondary peritonitis with the Mannheim Peritonitis Index.
Open guideline tool →For licensed clinicians. Not a substitute for clinical judgement.