Among patients admitted to a coronary care unit, the highest quartile of serum cystatin C levels was associated with a 9.6-fold increased risk of AKI compared with the lowest quartile.<div><a href="http://www.renalandurologynews.com/acute-kidney-injury-in-ccu-patients-linked-to-cystatin-c/article/711454/" target="_blank">Original link</a></div>