| aOR | Adjusted Odds Ratio |
| BMI | Body Mass Index |
| CI | Confidence Interval |
| DKA | Diabetic Ketoacidosis |
| ESS | Euthyroid Sick Syndrome |
| FT3 | Free Triiodothyronine |
| FT4 | Free Thyroxine |
| HbA1c | Hemoglobin A1c |
| ICU | Intensive Care Unit |
| IQR | Interquartile Range |
| NTI | Nonthyroidal Illness |
| Q1 | First Quartile |
| Q3 | Third Quartile |
| SD | Standard Deviation |
| T1DM | Type 1 Diabetes Mellitus |
| T3 | Triiodothyronine |
| T4 | Thyroxine |
| TSH | Thyroid-Stimulating Hormone |