A prospective study of protein excretion using short-interval timed urine collections in patients with lupus nephritis.

@article{Fine2009APS,
  title={A prospective study of protein excretion using short-interval timed urine collections in patients with lupus nephritis.},
  author={Derek Michael Fine and Martina Ziegenbein and Michelle Petri and Ernest C Han and Alison M McKinley and Jerry W Chellini and Haikady N. Nagaraja and Kathryn A. Carson and Brad H. Rovin},
  journal={Kidney international},
  year={2009},
  volume={76 12},
  pages={1284-8}
}
The 24-h urine protein-to-creatinine ratio is the gold standard in evaluating proteinuria in lupus nephritis; however, the urine collection is inconvenient to the patient. Random spot urine protein-to-creatinine ratios, although convenient, have poor agreement with the 24-h ratios in these patients. Here, we sought to define a timed collection interval providing accurate and precise data and patient convenience. Urine from 41 patients, in 2 medical centers, with biopsy-proven lupus nephritis… CONTINUE READING

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