ToolsCalculators
Edmonton Obesity Staging System (EOSS)
Clinical staging of obesity-related medical, functional and psychological severity.
Edmonton Obesity Staging System (EOSS)
Highest stage for which the patient meets criteria
ResultStage 0
Reflects overall obesity-related medical, functional and psychological burden, independent of BMI class.
When to use
- Complementing BMI to characterize the clinical severity of obesity and to help prioritize patients for more intensive treatment.
Formula
Clinician assigns the highest of stages 0-4 for which the patient meets criteria across medical, functional and psychological domains.
Pearls and pitfalls
- Stage, not BMI class, correlates most strongly with mortality and treatment urgency in cohort studies.
- Re-assess stage over time as it can improve or worsen independent of weight change.