Key result
First-year hemodialysis 30-day readmissions linked to ~232% higher second-year mortality risk versus no admissions.
Why the study?
Little is known about long-term outcomes after hospital readmission in the first year of dialysis among ESRD patients with Medicare coverage.
Does hospital readmission within 30 days in the first year of dialysis predict mortality, hospitalization, and kidney transplantation in the second year among incident Medicare ESRD patients?
Population
128,593 Medicare ESRD patients starting dialysis in the US
Comparison
Admit+/Readmit+ vs Admit+/Readmit- vs Admit- in the first year of dialysis
Design
Retrospective cohort study using USRDS data
Follow-up
Second year after dialysis initiation
Authors
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Early readmission identifies high-risk incident dialysis patients; leaves open whether targeted interventions improve long-term outcomes.
Cohort (n=128,593)
Does hospital readmission within 30 days in the first year of dialysis predict mortality, hospitalization, and kidney transplantation in the second year among incident Medicare ESRD patients?
Hazard Ratio: 3.32 (95% CI 3.21–3.44)
Absolute Event Rate: 29.7% vs 10%
p-value: p=<0.001
Hospital readmission within 30 days during the first year of dialysis is a strong predictor of subsequent mortality and hospitalization in ESRD patients.
Ross et al. (2019) conducted a cohort in End-stage renal disease (ESRD) on hemodialysis (n=128,593). Hospital readmission within 30 days in the first year of hemodialysis vs. No hospital admissions in the first year was evaluated on Mortality in the second year of hemodialysis (HR 3.32, 95% CI 3.21-3.44, p=<0.001). Hospital readmission within 30 days in the first year of hemodialysis was associated with a substantially higher risk of mortality in the second year (HR 3.32) compared to no admissions.
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