STS risk calculators rely on the latest data from the STS National Database to help surgeons with clinical decision-making and patient communications on surgical risk. Questions? Contact the STS Research and Analytic Center.
New! Convenient Mobile App
Facilitate physician-patient decision-making with the power of the STS National DatabaseTM – the new STS Risk Calculator Mobile App brings data-driven decision-making to the bedside!
Use the app to assess the risk of adult cardiac and thoracic surgical procedures and help improve patient outcomes.
- Designed to meet the day-to-day needs of surgeons and cardiothoracic care teams
- Provides real-time surgical risk estimates based on precise and regularly updated statistical models
- Available now on iOS and Android devices
The app is free to use – simply log in with your STS website credentials or create a new profile.
General Thoracic Risk Calculators
Esophagectomy Risk Calculator
Allows surgeons and multidisciplinary medical providers to estimate a patient’s individualized risk in real-time for outcomes during esophageal cancer resection.
Lung Cancer Resection Risk Calculator
Provides individualized risk assessments based on specific patient factors, such as tumor characteristics, comorbidities, and the type of procedure performed.
Adult Cardiac Risk Calculators
ACSD Operative Risk Calculator
Assess risk of operative mortality, major morbidity, and short-term outcomes after the vast majority of adult cardiac surgeries.
Mitral Regurgitation Risk Calculator
Allows surgeons to estimate a patient’s risk for multiple outcomes: operative mortality, combined operative mortality or major morbidity, and conversion to MV replacement after attempted repair.
Isolated Tricuspid Valve Surgery Risk Calculator
Provides the most objective data possible to guide physician and patient shared decision-making and ongoing landmark trials comparing transcatheter and surgical treatments.
SAVR After TAVR Risk Calculator
Provides essential data to inform patient care decisions, particularly if TAVR is to be considered for younger age and low-risk patients.
Multi-Valve Surgery Risk Calculator
Assesses risk for multi-valve surgery involving replacement of the aortic valve, plus replacement or repair of the mitral valve, with and without concomitant coronary artery bypass grafting.
Ascending Aorta & Aortic Root Surgery Risk Calculator
Helps assess risk and offer surgical planning to patients facing complex operations of the ascending aorta or aortic root.
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