PTH and coronary artery disorder: Background/Objectives: Given the conflicting results and limited published data on the correlation of vitamin A, E, and D, parathyroid hormone (PTH), and thyroid-stimulating hormone (TSH) levels, the triglyceride to high-density lipoprotein (TG/HDL) ratio, and glucose levels with the coronary artery calcium score (CAC score) in individuals at risk of coronary artery disease (CAD), this relationship requires extensive investigation.