Accuracy of freely available online GFR calculators using the CKD-EPI equation

Seiberth, Sarah; Terstegen, Theresa; Strobach, Dorothea; Czock, David

doi:10.1007/s00228-020-02932-x

Cited by 1 publication

(1 citation statement)

References 28 publications

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“…There have been variabilities in published equations for estimating GFR in different populations and opinions are varied on whether such equations should be adjusted for ethnicity or not (Holness et al, 2020; Rocha et al, 2020). Also, the online source of the GFR calculator should be verified as available online calculators have been found to vary in their estimation of the GFR (Seiberth et al, 2020). The most common estimating equations for GFR include the Chronic Kidney Disease Epidemiology Collaboration (CKD‐EPI), The Modification of Diet in Renal Disease (MDRD), the Cockcroft‐Gault (CG), and the full age spectrum (FAS) (Omuse et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Does sex interact with the 2D:4D ratio or adult circulating hormones on the estimated glomerular filtration rate? A cross‐sectional study in Ghana

Banyeh

Zogli

Osumanu

et al. 2022

Physiological Reports

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The 2D:4D ratio is the putative marker of prenatal hormone exposure and has been suggested as a correlate of adult circulating testosterone and estrogen. The study aimed to determine whether sexual dimorphism in the estimated glomerular filtration rate (eGFR) can be partly explained by the 2D:4D ratio or adult circulating testosterone or estrogen. The study was cross‐sectional from June to December 2021 at the University for Development Studies. The study involved 206 healthy adults (Female = 93, Male = 113) between 18 and 30 years. The 2D:4D ratio was measured using computer‐assisted analysis. Venous blood samples were collected and analyzed for testosterone, estradiol and creatinine using the ELISA technique and routine biochemical analysis. The adjusted eGFR was calculated using the Chronic Kidney Disease Epidemiology Collaboration (CKD‐EPI) creatinine equation (2021). The eGFR and the testosterone‐to‐estradiol ratio (TT:E2) were significantly higher in males than in females (p < 0.001). There was a significant interaction between sex and the TT:E2 on the eGFR (p < 0.001). Although the relationship between the eGFR and the TT:E2 was negative in both males and females, a unit change in the TT:E2 had a greater impact on the eGFR in females (B = −1.38) than in males (B = −0.01). Sexual dimorphism in the eGFR is influenced by both testosterone and estradiol. Although the sex difference in the eGFR may be influenced by the TT:E2, estrogen seems to account for more variability in the eGFR than testosterone.

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