Vascular Calculators

Mortality risk following major lower limb amputation

The following form calculates the expected mortality risk following major lower limb amputation. It uses automatic defaults for missing values and re-calculates each time a value is modified.

A full description of the model and its development can be found in Ambler et al. (2020). Prognostic Risk Modelling for Patients Undergoing Major Lower Limb Amputation: An Analysis of the UK National Vascular Registry. Eur J Vasc Endovasc Surg 59(4):606-613.

Predicted chance of in-hospital death (%)
Input variables
Age
Pre-operative creatinine (μmol/L)
Pre-operative albumin (g/L)
Pre-op white cell count (109 cells/L)
Weight (kg)
Previous procedure on amputated limb? No Yes
Amputation below knee joint? No Yes
Mode of admission Elective Unplanned
ASA grade
ECG / EKG Normal Abnormal
Simultaneous bilateral amputation? No Yes

Pages maintained by Graeme Ambler. The tools on this web-site are provided in the hope that people will find them useful. They are provided "as is", without any warranty of any kind, explicit or implied.

Last updated Tuesday 20 October 2020