Association Between the Modified Furosemide Response Index and Prognosis in Patients with Chronic Kidney Disease: A Retrospective Cohort Study Based on the MIMIC-IV Database
Background The modified furosemide response index (mFRI), derived from a standardized furosemide stress test, is a biomarker of diuretic responsiveness and AKI progression. Its prognostic value in chronic kidney disease (CKD) remains unclear. This study examined the association between mFRI and clinical outcomes in cri...