GAD1 and diabetes mellitus: (T1D: Type 1 diabetes mellitus, NV: Normal Value, IQR: Interquartile range, SD: Standard deviation, HBA1c: Glycated haemoglobin, Ab: Antibody, DKA: Diabetic ketoacidosis, ICU: Intensive care unit, GAD: Glutamic acid decarboxylase, LOS: Length of stay, CrCl: Creatinine clearance, DM: Diabetes mellitus, BHB: Beta-hydroxybutyrate, AST: Aspartate aminotransferase, ALT: Alanine aminotransferase, WBC: White blood cell count)