AUG 11, 2026 · JOURNAL ARTICLE
New Obesity Definition and Clinical Obesity Prevalence for Global Metabolic Bariatric Surgery
JAMA Network Open
A rigorous multicenter cross-sectional study applying a new clinical classification framework to a large, real-world MBS cohort, demonstrating differential risk profiles; results support the framework's potential but require prospective validation and longer-term outcome data.
Reported
Clinical obesity prevalence73.8% (1709/2316)
Preclinical obesity prevalence26.2% (607/2316)
Age difference UK cohort (clinica…48.9 [11.7] vs 39.5 [9.7] years