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

Newly released!

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. 

Learn More  |  Try It

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.

Learn More  |  Try It

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.

Learn More | Try It

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. 

Learn More | Try It

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.

Learn More | Try It

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.

Learn More | Try It

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.

Learn More | Try It