GPT and obesity due to melanocortin 4 receptor deficiency: Variables such as smoking, alcohol consumption, diabetes mellitus, obesity, leukocytes, haemoglobin, platelets, neutrophils, monocytes, lymphocytes, ALT, creatinine, uric acid, AST, TG, and total cholesterol, etc. were taken into account in the model, while the ZJU index was considered a continuous variable.