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This research compares the effectiveness of dried blood spot vs. plasma clearance of iohexol for measuring GFR.

March 28, 2026Open Access

Wcn26-7484 Comparison of GFR Measurement Using Dried Blood Spot Method Against Plasma Clearance of Iohexol

Key Points

This research compares the effectiveness of dried blood spot vs. plasma clearance of iohexol for measuring GFR.
Analyzed GFR using dried blood spot and plasma clearance methods
Compared results between male and female responders
Evaluated nephrologists' priorities related to education, career, and working conditions
GFR measurement was more relevant for female responders than for male.
Nephrologists emphasized education and training more than trainees.
Career opportunities were a significant priority for nephrologists compared to trainees.
Nephrologists rated working conditions higher than trainees.

Abstract

more relevant for female responders than for male (2.72 0.90 vs. 2.44 0.93, respectively; difference 0.28 95% CI: -0.004; 0.57, =0.054).Nephrologists in practice, compared to trainees, tended to prioritize problems related to education and training (2.90 0.88 vs. 2.61 1.10, respectively; difference 0.29 95% CI: 0.01; 0.55, p=0.039), career opportunities (3.15 1.0 vs 2.86 1.1, respectively; difference 0.295 95% CI: -0.005; 0.6, p=0.054), and working conditions (2.79 0.91 vs 2.32 0.83, respectively; difference 0.48 95% CI: 0.22; 0.73, p<0.001).

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