

Calculators
The SORT is a surgical preoperative risk prediction tool. It provides a percentage of death within 30 days of inpatient surgery for adults (exclusions in the first version of SORT were obstetrics, neurosurgery, cardiac and transplant surgery). It has an advantage over many existing prediction tools by consisting of solely preoperative variables and allowing rapid and easy data entry.
The National Emergency Laparotomy Audit (NELA) was established to describe and compare inpatient care and outcomes of patients undergoing emergency laparotomy in England and Wales in order to promote quality improvement, by collecting high quality comparative data from all NHS providers.
The link is to a GitHub page of applications created by Dr J Lomas, which includes both the legacy and newer Parsimonious NELA (P-NELA) calculators.
The P-POSSUM (Portsmouth Physiological and Operative Severity Score for the enUmeration of Mortality and morbidity) is a medical scoring system used to predict the risk of mortality for patients undergoing surgery.
It was developed as a more accurate version of the original POSSUM score, which often overestimated death rates in low-risk patients.


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Education Leads for School of Anaesthesia and ICM
Dr Selin Kabadayi selin.kabadayi1@nhs.net
Dr Thomas Lawrence
thomas.lawrence@nhs.net
Dr Rohan Farrimond
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