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Impact of initial dialysis modality and modality switches on Medicare expenditures of end-stage renal disease patients.
Kidney Int. 2005 Jul; 68(1):319-29.KI

Abstract

BACKGROUND

The number of end-stage renal disease (ESRD) enrollees and Medicare expenditures have increased dramatically. Pathways and associated Medicare expenditures in ESRD treatment need to be examined to potentially improve the efficiency of care.

METHODS

This study examines the impact of initial dialysis modality choice and subsequent modality switches on Medicare expenditure in a 3-year period. The Dialysis Morbidity and Mortality Study Wave 2 data by the United States Renal Data System (USRDS) is used along with the USRDS Core CD and USRDS claims data.

RESULTS

A total of 3423 incident dialysis patients (approximately equal number of peritoneal dialysis and hemodialysis) were included in the analysis. Unadjusted average annual Medicare expenditure (in 2004 dollars) for peritoneal dialysis as first modality was 53,277 dollars(95% CI 50,626 dollars-55,927 dollars), and 72,189 dollars (95% CI 67,513 dollars-76,865 dollars) for hemodialysis. Compared to "hemodialysis, no switch" subgroup, "peritoneal dialysis, no switch" had a significantly lower annual expenditure (44,111 dollars vs. 72,185 dollars) (P < 0.001). "Peritoneal dialysis, with at least one switch" and "hemodialysis, with at least one switch" had a lower or similar annual expenditure of 66,639 dollars and 72,335 dollars, respectively. After adjusting for patient characteristics, annual Medicare expenditure was still significantly lower for patients with peritoneal dialysis as the initial modality (56,807 dollars vs. 68,253 dollars) (P < 0.001). Similarly, compared to "hemdialysis, no switch" subgroup, "peritoneal dialysis, no switch" and "peritoneal dialysis, with at least one switch" had a significantly lower total expenditure. Further analysis showed that time-to-first switch also independently impacted total expenditure.

CONCLUSION

Initial modality choice (peritoneal dialysis or hemodialysis) and subsequent modality switches had significant implications for Medicare expenditure on ESRD treatments.

Authors+Show Affiliations

Departement of Biostatistics and Applied Mathematics, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030-4009, USA. yashih@mdanderson.orgNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

15954923

Citation

Shih, Ya-Chen Tina, et al. "Impact of Initial Dialysis Modality and Modality Switches On Medicare Expenditures of End-stage Renal Disease Patients." Kidney International, vol. 68, no. 1, 2005, pp. 319-29.
Shih YC, Guo A, Just PM, et al. Impact of initial dialysis modality and modality switches on Medicare expenditures of end-stage renal disease patients. Kidney Int. 2005;68(1):319-29.
Shih, Y. C., Guo, A., Just, P. M., & Mujais, S. (2005). Impact of initial dialysis modality and modality switches on Medicare expenditures of end-stage renal disease patients. Kidney International, 68(1), 319-29.
Shih YC, et al. Impact of Initial Dialysis Modality and Modality Switches On Medicare Expenditures of End-stage Renal Disease Patients. Kidney Int. 2005;68(1):319-29. PubMed PMID: 15954923.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Impact of initial dialysis modality and modality switches on Medicare expenditures of end-stage renal disease patients. AU - Shih,Ya-Chen Tina, AU - Guo,Amy, AU - Just,Paul M, AU - Mujais,Salim, PY - 2005/6/16/pubmed PY - 2005/9/24/medline PY - 2005/6/16/entrez SP - 319 EP - 29 JF - Kidney international JO - Kidney Int VL - 68 IS - 1 N2 - BACKGROUND: The number of end-stage renal disease (ESRD) enrollees and Medicare expenditures have increased dramatically. Pathways and associated Medicare expenditures in ESRD treatment need to be examined to potentially improve the efficiency of care. METHODS: This study examines the impact of initial dialysis modality choice and subsequent modality switches on Medicare expenditure in a 3-year period. The Dialysis Morbidity and Mortality Study Wave 2 data by the United States Renal Data System (USRDS) is used along with the USRDS Core CD and USRDS claims data. RESULTS: A total of 3423 incident dialysis patients (approximately equal number of peritoneal dialysis and hemodialysis) were included in the analysis. Unadjusted average annual Medicare expenditure (in 2004 dollars) for peritoneal dialysis as first modality was 53,277 dollars(95% CI 50,626 dollars-55,927 dollars), and 72,189 dollars (95% CI 67,513 dollars-76,865 dollars) for hemodialysis. Compared to "hemodialysis, no switch" subgroup, "peritoneal dialysis, no switch" had a significantly lower annual expenditure (44,111 dollars vs. 72,185 dollars) (P < 0.001). "Peritoneal dialysis, with at least one switch" and "hemodialysis, with at least one switch" had a lower or similar annual expenditure of 66,639 dollars and 72,335 dollars, respectively. After adjusting for patient characteristics, annual Medicare expenditure was still significantly lower for patients with peritoneal dialysis as the initial modality (56,807 dollars vs. 68,253 dollars) (P < 0.001). Similarly, compared to "hemdialysis, no switch" subgroup, "peritoneal dialysis, no switch" and "peritoneal dialysis, with at least one switch" had a significantly lower total expenditure. Further analysis showed that time-to-first switch also independently impacted total expenditure. CONCLUSION: Initial modality choice (peritoneal dialysis or hemodialysis) and subsequent modality switches had significant implications for Medicare expenditure on ESRD treatments. SN - 0085-2538 UR - https://www.unboundmedicine.com/medline/citation/15954923/Impact_of_initial_dialysis_modality_and_modality_switches_on_Medicare_expenditures_of_end_stage_renal_disease_patients_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0085-2538(15)50841-7 DB - PRIME DP - Unbound Medicine ER -