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Postdischarge Health Care Costs and Readmission in Patients With Hyperkalemia-Related Hospitalizations

Keith A Betts1, J Michael Woolley2, Fan Mu1

  • 1Analysis Group, Inc., Boston, Massachusetts, USA.

Kidney International Reports
|August 11, 2020
PubMed

Insights

Hyperkalemia hospitalizations significantly increase healthcare costs and readmission rates within one year post-discharge. This study quantifies the substantial economic and readmission burdens associated with hyperkalemia.

Area of Science:

  • Health Economics
  • Clinical Outcomes Research
  • Nephrology

Background:

  • Limited data exists on the economic impact and readmission rates following hyperkalemia hospitalizations.
  • Understanding these burdens is crucial for healthcare resource allocation and patient management.

Purpose of the Study:

  • To evaluate the postdischarge economic costs and readmission rates associated with hyperkalemia hospitalizations.
  • To compare healthcare resource utilization between patients with and without hyperkalemia.

Main Methods:

  • A 1:1 matched cohort study using IBM MarketScan data (2010-2014).
  • Adult patients hospitalized with hyperkalemia were matched with those without hyperkalemia based on key clinical factors.
  • All-cause healthcare costs and resource utilization were compared for one year post-discharge.

Main Results:

  • Hyperkalemia hospitalizations incurred $30,379 higher 1-year total costs and increased inpatient admissions, ED visits, and outpatient visits (P < 0.001).
  • Readmission rates within 30, 60, and 90 days were significantly higher for hyperkalemia-related hospitalizations (P < 0.001).
  • Longer length of stay per readmission and total inpatient days were observed in the hyperkalemia cohort (P < 0.001).

Conclusions:

  • Hyperkalemia-related hospitalizations represent a significant economic burden.
  • These hospitalizations are associated with substantially increased readmission rates and healthcare utilization post-discharge.
Abstract

Keywords:
costhealth care resource utilizationhospitalizationshyperkalemiapostdischargereadmission

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