PMID:1752671
| Citation |
Iyer, RS, Shailaja, SN, Bhaskaranand, N, Baliga, M and Venkatesh, A (1991) Quantitation of proteinuria using protein-creatinine ratio in random urine samples. Indian Pediatr 28:463-7 |
|---|---|
| Abstract |
Estimation of proteinuria in children is cumbersome when a 24 h urine collection is needed. In the presence of a stable glomerular filtration rate, the ratio of urinary protein and creatinine should reflect the protein excretion. One hundred samples of urine (24 h and random samples) were collected from 50 children with nephrotic syndrome, 25 with nephrotic syndrome in remission and 25 normal children. The 24 h urine total protein and random urine protein-creatinine ratio were assessed on these samples. Linear regression analysis of the results showed excellent correlation between the values (r = 0.81, p less than 0.001). A random urine protein-creatinine ratio of greater than 3.5 correlated with massive proteinuria, while a ratio less than 0.2 was suggestive of physiological values. The sensitivity, specificity, positive and negative predictive values of the protein-creatinine ratio in massive proteinuria were very high. We conclude that the random urine protein-creatinine ratio can be used reliably to assess the degree of proteinuria in children. |
| Links | |
| Keywords |
Child; Circadian Rhythm/physiology; Creatinine/urine; False Negative Reactions; Humans; Nephrotic Syndrome/diagnosis; Nephrotic Syndrome/urine; Proteinuria/diagnosis; Reference Values; Regression Analysis; Specimen Handling/methods |
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