Clinical decision support tool to aid medical providers predict emergency surgery mortality and morbidity likelihood.

POTTER is a highly accurate and user-friendly emergency surgery risk calculator developed by George Velmahos (MD, PhD), Haytham Kaafarani (MD, MPH), Dimitris Bertsimas (PhD), and Jack Dunn (PhD).

This Machine Learning Algorithm is the digital manifestation of the research found in the October 2018 Annals of Surgery publication, “Surgical Risk Is Not Linear: Derivation and Validation of a Novel, User-friendly, and Machine Learning-based Predictive OpTimal Trees in Emergency Surgery Risk (POTTER) Calculator.”

What’s New

Version 1.1

New look

Ratings and Reviews

5.0 out of 5
3 Ratings

3 Ratings

App Privacy

The developer, Alexandria Health, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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