Urine Protein to Creatinine Ratio for the Assessment of Bevacizumab-Associated Proteinuria in Patients with Gynecologic Cancers: A Diagnostic and Quality Improvement Study.
Journal
Diagnostics (Basel, Switzerland)
Journal Volume
14
Journal Issue
17
Start Page
Article number 1852
ISSN
2075-4418
Date Issued
2024-08-24
Author(s)
Lin, Wei-Chen
Pan, William Wei-Lin
Hsieh, Hao-I
Hsieh, Yu-Hsiung
Abstract
Proteinuria is a common adverse event arising from treatment with bevacizumab, requiring diagnostic testing via 24-h urine collection. However, this method is cumbersome. We assessed urine screenings in gynecologic cancer patients from February 2021 to May 2022. Along with a simple urine dipstick (UD), the urine microalbumin, total protein, and creatinine were measured and calculated as the urine albumin to creatinine ratio (UACR) and the urine protein to creatinine ratio (UPCR), which were further adjusted through the Modification of Diet in Renal Disease and Chronic Kidney Disease Epidemiology Collaboration equations to be estimated and correlated with 24-h urine total protein content. The incremental cost-effectiveness ratio was used for cost analysis. There were 129 urine samples from 36 patients. The sensitivity and specificity for the UACR were 0.56 and 0.97, and for the UPCR, 0.71 and 0.88, respectively. The 24-h TP correlated strongly with the UACR (r = 0.75; < 0.001) and UPCR (r = 0.79; < 0.001) and fair for the simple UD (r = 0.35; < 0.001). The UPCR saves one unnecessary 24-h urine test for less than a dollar compared to a simple UD. The results indicate that using the UPCR could enhance diagnostic accuracy, lower costs, and reduce unnecessary 24-h urine sampling.
Subjects
albuminuria
angiogenesis inhibitors
antineoplastic agents
bevacizumab
proteinuria
urine protein to creatinine ratio
Type
journal article