Serum uric acid variability and short-term mortality in chronic kidney disease: a retrospective cohort study with independent replication in MIMIC-IV
Inroduction Within-person variation in serum uric acid (SUA) may reflect clinical instability, but its association with outcomes in chronic kidney disease (CKD) is uncertain. Methods We studied 10,556 adults with EHR-defined CKD and at least three SUA measurements during a 365-day baseline window across a nine-hospital...