In the low serum calcium group, the majority of patients were men who had ST-elevation myocardial infarction (STEMI), with lower average hemoglobin, uric acid, serum phosphate, and serum chloride levels; lower LVEF; and higher albumin, BUN, serum magnesium, and LAD levels. The gene discussed is ALB; the disease is ST Elevation Myocardial Infarction.