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Survival of propensity matched incident peritoneal and hemodialysis patients in a United States health care system.
Kidney Int 2014; 86(5):1016-22KI

Abstract

We sought to compare survival among incident peritoneal dialysis (PD) patients to matched hemodialysis (HD) patients who received pre-dialysis care, including permanent dialysis access placement. Patients starting PD were propensity matched to those starting HD. HD patients who used a central venous catheter during the first 90 days of dialysis were excluded. Stratified Cox proportional hazards models were used to compare patient survival using both intent-to-treat and as-treated analyses. In the intent-to-treat analysis, patients were followed from the date of first dialysis until death and censored at the earliest of the following: renal transplantation, death, renal recovery, loss to follow-up or study end. In the as-treated analysis, patients were also censored at the time of modality change. A total of 1003 matched pairs were obtained from 11,301 incident patients (10,298 HD and 1003 PD). The cumulative hazard ratio for death at one year was 2.38 (95% CI 1.68-3.40) and 2.10 (1.50-2.94) for HD relative to PD patients in the as-treated and intent-to-treat analyses, respectively. The cumulative risk of death, as estimated by the cumulative hazard ratio, favored PD for almost up to 3 years of follow-up in the as-treated analysis and nearly 2 years of follow-up in the intent-to-treat analysis with no differences thereafter. The higher adjusted rate of death observed for HD patients cannot be attributed to initial use of central venous catheters or lack of pre-dialysis care.

Authors+Show Affiliations

Division of Nephrology, Department of Internal Medicine, Southern California Permanente Medical Group, Los Angeles, California, USA.Research and Evaluation, Southern California Permanente Medical Group, Pasadena, California, USA.Research and Evaluation, Southern California Permanente Medical Group, Pasadena, California, USA.Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA.

Pub Type(s)

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

Language

eng

PubMed ID

24988066

Citation

Kumar, Victoria A., et al. "Survival of Propensity Matched Incident Peritoneal and Hemodialysis Patients in a United States Health Care System." Kidney International, vol. 86, no. 5, 2014, pp. 1016-22.
Kumar VA, Sidell MA, Jones JP, et al. Survival of propensity matched incident peritoneal and hemodialysis patients in a United States health care system. Kidney Int. 2014;86(5):1016-22.
Kumar, V. A., Sidell, M. A., Jones, J. P., & Vonesh, E. F. (2014). Survival of propensity matched incident peritoneal and hemodialysis patients in a United States health care system. Kidney International, 86(5), pp. 1016-22. doi:10.1038/ki.2014.224.
Kumar VA, et al. Survival of Propensity Matched Incident Peritoneal and Hemodialysis Patients in a United States Health Care System. Kidney Int. 2014;86(5):1016-22. PubMed PMID: 24988066.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Survival of propensity matched incident peritoneal and hemodialysis patients in a United States health care system. AU - Kumar,Victoria A, AU - Sidell,Margo A, AU - Jones,Jason P, AU - Vonesh,Edward F, Y1 - 2014/07/02/ PY - 2013/10/01/received PY - 2014/04/29/revised PY - 2014/05/01/accepted PY - 2014/7/3/entrez PY - 2014/7/6/pubmed PY - 2015/7/2/medline SP - 1016 EP - 22 JF - Kidney international JO - Kidney Int. VL - 86 IS - 5 N2 - We sought to compare survival among incident peritoneal dialysis (PD) patients to matched hemodialysis (HD) patients who received pre-dialysis care, including permanent dialysis access placement. Patients starting PD were propensity matched to those starting HD. HD patients who used a central venous catheter during the first 90 days of dialysis were excluded. Stratified Cox proportional hazards models were used to compare patient survival using both intent-to-treat and as-treated analyses. In the intent-to-treat analysis, patients were followed from the date of first dialysis until death and censored at the earliest of the following: renal transplantation, death, renal recovery, loss to follow-up or study end. In the as-treated analysis, patients were also censored at the time of modality change. A total of 1003 matched pairs were obtained from 11,301 incident patients (10,298 HD and 1003 PD). The cumulative hazard ratio for death at one year was 2.38 (95% CI 1.68-3.40) and 2.10 (1.50-2.94) for HD relative to PD patients in the as-treated and intent-to-treat analyses, respectively. The cumulative risk of death, as estimated by the cumulative hazard ratio, favored PD for almost up to 3 years of follow-up in the as-treated analysis and nearly 2 years of follow-up in the intent-to-treat analysis with no differences thereafter. The higher adjusted rate of death observed for HD patients cannot be attributed to initial use of central venous catheters or lack of pre-dialysis care. SN - 1523-1755 UR - https://www.unboundmedicine.com/medline/citation/24988066/Survival_of_propensity_matched_incident_peritoneal_and_hemodialysis_patients_in_a_United_States_health_care_system_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0085-2538(15)30420-8 DB - PRIME DP - Unbound Medicine ER -