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Edmonton Obesity Staging System (EOSS)

The Edmonton Obesity Staging System (EOSS) is a novel risk-stratification system that classifies obese individuals into 5 graded categories, based on their morbidity and health-risk profile.

Edmonton Obesity Staging System (EOSS)

Stage Conceptual description Criteria
0 No apparent obesity-related risk factors (e.g., BP, serum lipids, fasting glucose, etc., within normal range), no physical symptoms, no psychopathology, no functional limitations and (or) impairment of well being No reported EOSS factors
1
  • Presence of obesity-related subclinical risk factors (e.g., borderline hypertension, impaired fasting glucose, elevated liver enzymes, etc.)
  • Mild physical symptoms (e.g., dyspnea on moderate exertion, occasional aches and pains, fatigue, etc.)
  • Mild functional limitations
  • Mild psychopathology and (or)
  • Mild impairment of well being
  • BP ≥130/85 and (or) <125/75 mm Hg for individuals with T2D
  • Fasting glucose ≥100 and <125 mg/dL
  • Cholesterol ≥200 and<240 mg/dL
  • Triglycerides ≥150 and<200 mg/dL
  • HDL <60 mg/dL
  • Shortness of breath during physical activity
2
  • Presence of established obesity-related chronic disease (e.g., hypertension, type 2 diabetes, sleep apnea, osteoarthritis, reflux disease, polycystic ovary syndrome, anxiety disorder, etc.)
  • Moderate limitations in activities of daily living and (or)
  • Moderate impairment of well being
  • Diagnosed hypertension or hypertension medication
  • BP ≥140/90 mm Hg or 130 /80 for individuals with T2D
  • T2D
  • Fasting glucose ≥125 mg/dL
  • Diagnosed hypercholesterolemia
  • Cholesterol ≥240 mg/dL
  • Diagnosed hypertriglyceridemia
  • Triglycerides ≥200 mg/dL
  • HDL < 40 mg/dL
  • Gout
  • Depression
  • Fatigue
  • Urinary leakage
  • Low back pain
  • Joint stiffness
  • Reported emotional outlook of “generally sad,” or
  • Self-reported health of “fair”
3
  • Established end-organ damage (e.g., myocardial infarction, heart failure, diabetic complications, incapacitating osteoarthritis, etc.)
  • Significant psychopathology
  • Significant functional limitations and (or)
  • Significant impairment of well being
  • Reported chest pain
  • Chest pain during exercise
  • Heart attack
  • Calf pain during exercise
  • Stroke
  • Shortness of breath when sleeping
  • Shortness of breath when sitting
  • Psychiatric or psychological counseling, or
  • Moderate or severe cardiomegaly
  • Reported emotional outlook of “often depressed”, or
  • Self-reported health of “poor”
4
  • Severe (potentially end-stage) disabilities from obesity-related chronic diseases
  • Severe disabling psychopathology
  • Severe functional limitations and (or)
  • Severe impairment of well being
Not examined

Note: BP, blood pressure; HDL, high-density lipoprotein, T2D, type 2 diabetes.

 

 

References:

  1. Kuk JL, Ardern CI, Church TS, et al. Edmonton Obesity Staging System: association with weight history and mortality risk. Appl Physiol Nutr Metab. 2011;36(4):570‐576. [Medline]
  2. Schwarz AC, Billeter AT, Scheurlen KM, Blüher M, Müller-Stich BP. Comorbidities as an Indication for Metabolic Surgery. Visc Med. 2018;34(5):381‐387. [Medline]

 

Created: Jun 03, 2020.

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