Blood urea nitrogen levels of a least 19.5 mmol/L served as an indicator of disease severity and prognosis. In patients with antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV), ...
Creatinine is a waste product produced naturally by the muscles as they use energy. Healthy kidneys filter it from the bloodstream and excrete it through urine, maintaining balanced levels. When ...