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.

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. 

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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.

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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.

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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. 

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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.

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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.

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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.

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Ascending Aorta & Aortic Root Surgery Risk Calculator

Helps asses risk and offer surgical planning to patients facing complex operations of the ascending aorta or aortic root.  

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