本研究测定了DN患者血Cystatin C、Scr、内生Ccr,Scr在DN早期增加不明显,因为第Ⅰ组和第Ⅱ组没有差异,而Cystatin C在各组之间都存在差异,说明该指标较敏感一些。分析血Cystatin C与Ccr的相关性,能反映患者Ccr的水平,并与Scr进行比较,两者与Ccr相关性存在差异,Cystatin C与Ccr的相关性好,从而为临床测定患者Cystatin C以早期发现DNA提供依据。
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