Hospital Healthcare Resource Utilization and Associated Hospital Costs of Patients With Lupus Nephritis in China: A

Xin He1, Xiaochen Zhu2, Zhiliu Tang1

  • 1Value Evidence and Outcomes, GSK, Shanghai, China.

Insights

Patients with lupus nephritis (LN) in China incur significantly higher healthcare resource utilization and costs than those with systemic lupus erythematosus (SLE). End-stage kidney disease (ESKD) further elevates this burden, underscoring the need for early LN management.

Area of Science:

  • Nephrology
  • Rheumatology
  • Health Economics

Background:

  • Lupus nephritis (LN) is a severe manifestation of systemic lupus erythematosus (SLE).
  • Understanding healthcare resource utilization (HCRU) and costs associated with LN in China is crucial for resource allocation and patient management.
  • The impact of end-stage kidney disease (ESKD) on HCRU and costs in LN patients requires further investigation.

Purpose of the Study:

  • To assess and compare hospital HCRU and costs for patients with LN in China against a broader SLE cohort.
  • To explore the additional impact of ESKD on HCRU and costs among patients with LN.
  • To provide data supporting early diagnosis and management strategies for LN in China.

Main Methods:

  • Retrospective analysis of administrative claims data from China.
  • Identification of patients with SLE and LN using diagnosis codes and keywords.
  • Subcategorization of LN patients based on the presence of ESKD; analysis of all-cause and disease-specific HCRU and medical costs.

Main Results:

  • A total of 3645 SLE patients were included, with 404 (11%) diagnosed with LN; 142 (35%) of LN patients had ESKD.
  • Patients with LN exhibited significantly higher healthcare visits per patient per month (PPPM) (2.08) compared to the SLE cohort (0.92) (P < .0001).
  • Median all-cause costs PPPM were substantially greater for LN patients ($287.46) versus SLE patients ($113.09) (P < .0001); ESKD further increased these metrics.

Conclusions:

  • Chinese patients with LN demonstrate significantly higher HCRU and healthcare costs compared to the general SLE population.
  • The presence of ESKD exacerbates the HCRU and economic burden in patients with LN.
  • These findings highlight the critical need for early LN diagnosis and prompt management to alleviate the substantial economic impact.
Abstract

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