Serum Cystatin C is a more sensitive maker for indicating glomerular filtration function and can show early renal impairmentin in patient with chronic kidney disease.

• 血清Cystatin C在各期CKD中均能准确反映肾小球滤过功能,尤其能敏感提示早期肾功能损害,可成为判断肾功能损害程度的敏感指标,而且方法简便、敏感。