The correlation of three morning ACR had nearer linearity (r1-2=0.884,P1-2=0.000;r1-3=0.929,P1-3=0.000;r2-3=0.879,P2-3=0.000).

• 糖尿病2组的3次随意尿ACR的相关性分别为r1-2=0.；884；P1-2=0