AMS: Altered mental status, DM: Diabetes mellitus, HTN: Hypertension, CAD: Coronary artery disease, COPD: Chronic obstructive pulmonary disease, CKD: Chronic kidney disease, CLD: Chronic liver disease, CND: Chronic neurological disease, ALT: Alanine aminotransferase, AST: Aspartate aminotransferase, AKI: Acute kidney injury, NIV: Non-invasive ventilation, ARDS: Acute respiratory distress syndrome. Here, GPT is linked to chronic obstructive pulmonary disease.