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Can a semi-quantitative method replace the current quantitative method for the annual screening of microalbuminuria in patients with diabetes? Diagnostic accuracy and cost-saving analysis considering the potential health burden

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Author(s)
Yaerim KimSeokwoo ParkMyung-Hee KimSang Hoon SongWon Mok LeeHye Soon KimKyubok JinSeungyeup HanYong Chul KimSeung Seok HanHajeong LeeJung Pyo LeeKwon Wook JooChun Soo LimYon Su KimDong Ki Kim
Keimyung Author(s)
Kim, Yae RimLee, Won MokKim, Hye SoonJin, Kyu BokHan, Seung Yeup
Department
Dept. of Internal Medicine (내과학)
Dept. of Laboratory Medicine (진단검사의학)
Journal Title
PLoS One
Issued Date
2020
Volume
15
Issue
1
Abstract
Objectives:
Diabetes is a global epidemic, and the high cost of annually and quantitatively measuring urine albumin excretion using the turbidimetric immunoassay is challenging. We aimed to determine whether a semi-quantitative urinary albumin-creatinine ratio test could be used as a screening tool for microalbuminuria in diabetic patients.

Methods:
We assessed the diagnostic accuracy of the semi-quantitative method. The costs of false results in the semi-quantitative method were calculated based on the annual probability of disease progression analyzed through a systematic literature review and meta-analysis. The pooled long-term cost-saving effect of the semi-quantitative method compared with the quantitative test was assessed using a Markov model simulating a long-term clinical setting. Diagnostic accuracy and the cost-saving effect were also validated in an independent external cohort.

Results:
Compared with the quantitative test, the semi-quantitative method had sensitivities of 93.5% and 81.3% and specificities of 61.4% and 63.1% in the overall sample of diabetic patients (n = 1,881) and in diabetic patients with eGFR ≥60 ml/min/1.73 m2 and a negative dipstick test (n = 1,110), respectively. After adjusting for direct and indirect medical costs, including the risk of disease progression, which was adjusted by the meta-analyzed hazard ratio for clinical outcomes, it was determined that using the semi-quantitative method could save 439.4 USD per person for 10 years. Even after adjusting the result to the external validation cohort, 339.6 USD could be saved for one diabetic patient for 10 years.

Conclusions:
The semi-quantitative method could be an appropriate screening tool for albuminuria in diabetic patients. Moreover, it can minimize the testing time and inconvenience and significantly reduce national health costs.
Keimyung Author(s)(Kor)
김예림
이원목
김혜순
진규복
한승엽
Publisher
School of Medicine (의과대학)
Citation
Yaerim Kim et al. (2020). Can a semi-quantitative method replace the current quantitative method for the annual screening of microalbuminuria in patients with diabetes? Diagnostic accuracy and cost-saving analysis considering the potential health burden. PLoS One, 15(1), e0227694–e0227694. doi: 10.1371/journal.pone.0227694
Type
Article
ISSN
1932-6203
Source
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0227694
DOI
10.1371/journal.pone.0227694
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/42742
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Internal Medicine (내과학)
1. School of Medicine (의과대학) > Dept. of Laboratory Medicine (진단검사의학)
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