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BMC Nephrol. 2019 Apr 2;20(1):116. doi: 10.1186/s12882-019-1304-3.

Patient-reported advantages and disadvantages of peritoneal dialysis: results from the PDOPPS.

Author information

1
Michigan Medicine, 1500 E. Medical Center Dr., SPC 5364, Ann Arbor, Michigan, 48109-5364, USA. nsukul@med.umich.edu.
2
Arbor Research Collaborative for Health, Ann Arbor, MI, USA.
3
Baxter Healthcare Corporation, Deerfield, IL, USA.
4
Centre for Kidney Disease Research, University of Queensland at Princess Alexandra Hospital, Brisbane, QLD, Australia.
5
Sunnybrook Health Sciences Centre, Toronto, ON, Canada.
6
King Chulalongkorn Memorial Hospital, Bangkok, Thailand.
7
Oita University Hospital, Yufu, Japan.
8
NHMRC Clinical Trials Centre, The University of Sydney, Sydney, NSW, Australia.
9
Departments of Epidemiology and Environmental Health Sciences, School of Public Health, and Department of Urology, Medical School, University of Michigan, Ann Arbor, MI, USA.
10
St. Michael's Hospital, Toronto, ON, Canada.

Abstract

BACKGROUND:

Patient-reported measures are increasingly recognized as important predictors of clinical outcomes in peritoneal dialysis (PD). We sought to understand associations between patient-reported perceptions of the advantages and disadvantages of PD and clinical outcomes.

METHODS:

In this cohort study, 2760 PD patients in the Peritoneal Dialysis Outcomes and Practice Patterns Study (PDOPPS) completed a questionnaire on their PD experience, between 2014 and 2017. In this questionnaire, PDOPPS patients rated 17 aspects of their PD experience on a 5-category ordinal scale, with responses scored from - 2 (major disadvantage) to + 2 (major advantage). An advantage/disadvantage score (ADS) was computed for each patient by averaging their response scores. The ADS, along with each of these 17 aspects, were used as exposures. Outcomes included mortality, transition to hemodialysis (HD), patient-reported quality of life (QOL), and depression. Cox regression was used to estimate associations between ADS and mortality, transition to HD, and a composite of the two. Logistic regression with generalized estimating equations was used to estimate cross-sectional associations of ADS with QOL and depression.

RESULTS:

While 7% of PD patients had an ADS < 0 (negative perception of PD), 59% had an ADS between 0 and < 1 (positive perception), and 34% had an ADS ≥1 (very positive perception). Minimal association was observed between mortality and the ADS. Compared with a very positive perception, patients with a negative perception had a higher transition rate to HD (hazard ratio [HR] = 1.67; 95% confidence interval [CI]: 1.21, 2.30). Among individual items, "space taken up by PD supplies" was commonly rated as a disadvantage and had the strongest association with transition to HD (HR = 1.28; 95% CI 1.07, 1.53). Lower ADS was strongly associated with worse QOL rating and greater depressive symptoms.

CONCLUSIONS:

Although patients reported a generally favorable perception of PD, patient-reported disadvantages were associated with transition to HD, lower QOL, and depression. Strategies addressing these disadvantages, in particular reducing solution storage space, may improve patient outcomes and the experience of PD.

KEYWORDS:

Depression; Patient selection; Patient-reported measures; Peritoneal dialysis; Quality of life; Surveys and questionnaires; Technique survival

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