Estimates 30-day mortality after inpatient non-cardiac surgery from six preoperative variables.
Overview
Estimates 30-day mortality after inpatient non-cardiac surgery from six preoperative variables.
Clinical Significance
Result is estimated 30-day mortality percentage in the derivation population.
When to Use
- Use as decision support when all required inputs are reliable.
How It Is Calculated
- Logistic SORT equation using ASA grade, cancer, age, urgency, surgical specialty and procedure severity.
Interpretation
- Result is estimated 30-day mortality percentage in the derivation population.
Worked Example
Enter verified values in the displayed units; MedicalC applies the published equation or point system.
Limitations
- Prediction models may be miscalibrated outside their derivation population.
- Measurement and classification error can materially change the result.
Clinical Pearls
- Document source values and units with the result.
- Use trends and the full clinical picture.
Common Mistakes
- Wrong units.
- Using non-contemporaneous inputs.
- Treating the output as a diagnosis or mandatory treatment decision.
Frequently Asked Questions
What does this tool calculate?
Estimates 30-day mortality after inpatient non-cardiac surgery from six preoperative variables.
Can the result be used alone?
No. Interpret it with the complete clinical assessment and current guidance.
References
- Protopapa KL et al. Br J Surg. 2014;101:1774-1783. — Primary or supporting reference for the implemented model.
Reviewed by: MedicalC Clinical Editorial Team
Last reviewed: July 2026