TRF/Cr ratio was found to be higher in 61.54% patients with normal urinary albumin excretion whereas in 100% cases with increased Alb/Cr ratio.

• 其中尿Alb/Cr正常者中，TRF/Cr升高者占61.；54%25，当尿Alb/Cr升高，TRF/Cr均同时升高；