Machine Learning for Reclassification of Obesity

Inclusion Criteria: 1. Patients with overweight/obesity 2. Patients with normal weight as controls Exclusion Criteria: 1. had ever been performed with a bariatric surgery before the study's first visit is scheduled; 2. had taken exogenous insulin, medication that affects glucose metabolism, or uric acid drugs currently; 3. being diagnosed with type 1 diabetes, secondary diabetes, hereditary disease, or severe disease (e.g. malignant tumor, heart failure, liver failure, etc.); 4. in gestation of lactation; 5. did not have the complete data for model; 6. for normal-weight controls, patients with diabetes or hyperuricemia were excluded.