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Original ArticlesMaintenance Dialysis
Open Access

Patient and Caregiver Priorities for Outcomes in Peritoneal Dialysis

Multinational Nominal Group Technique Study

Karine E. Manera, David W. Johnson, Jonathan C. Craig, Jenny I. Shen, Lorena Ruiz, Angela Yee-Moon Wang, Terence Yip, Samuel K.S. Fung, Matthew Tong, Achilles Lee, Yeoungjee Cho, Andrea K. Viecelli, Benedicte Sautenet, Armando Teixeira-Pinto, Edwina Anne Brown, Gillian Brunier, Jie Dong, Tony Dunning, Rajnish Mehrotra, Saraladevi Naicker, Roberto Pecoits-Filho, Jeffrey Perl, Martin Wilkie and Allison Tong
CJASN January 2019, 14 (1) 74-83; DOI: https://doi.org/10.2215/CJN.05380518
Karine E. Manera
1Sydney School of Public Health, University of Sydney, Sydney, New South Wales, Australia;
2Centre for Kidney Research, The Children’s Hospital at Westmead, Sydney, New South Wales, Australia;
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David W. Johnson
3Department of Nephrology, Princess Alexandra Hospital, Brisbane, Australia;
4Australian Kidney Trials Network, School of Medicine, University of Queensland, Brisbane, Australia;
5Centre for Kidney Disease Research, University of Queensland at Princess Alexandra Hospital, Brisbane, Australia;
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Jonathan C. Craig
1Sydney School of Public Health, University of Sydney, Sydney, New South Wales, Australia;
2Centre for Kidney Research, The Children’s Hospital at Westmead, Sydney, New South Wales, Australia;
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Jenny I. Shen
6Division of Nephrology and Hypertension, Los Angeles Biomedical Research Institute at Harbor, University of California, Los Angeles Medical Center, Torrance, California;
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Lorena Ruiz
6Division of Nephrology and Hypertension, Los Angeles Biomedical Research Institute at Harbor, University of California, Los Angeles Medical Center, Torrance, California;
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Angela Yee-Moon Wang
7Department of Medicine, Queen Mary Hospital, University of Hong Kong, Hong Kong, China;
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Terence Yip
8Department of Medicine, Tung Wah Hospital, Hong Kong, China;
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Samuel K.S. Fung
9Division of Nephrology, Department of Medicine and Geriatrics, Jockey Club Nephrology and Urology Centre, Princess Margaret Hospital, Kowloon, Hong Kong, China;
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Matthew Tong
10Department of Medicine and Geriatrics, Pok Oi Hospital, Yuen Long, Hong Kong, China;
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Achilles Lee
11Department of Medicine and Geriatrics, Tuen Mun Hospital, Hong Kong, China;
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Yeoungjee Cho
3Department of Nephrology, Princess Alexandra Hospital, Brisbane, Australia;
4Australian Kidney Trials Network, School of Medicine, University of Queensland, Brisbane, Australia;
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Andrea K. Viecelli
3Department of Nephrology, Princess Alexandra Hospital, Brisbane, Australia;
4Australian Kidney Trials Network, School of Medicine, University of Queensland, Brisbane, Australia;
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Benedicte Sautenet
1Sydney School of Public Health, University of Sydney, Sydney, New South Wales, Australia;
2Centre for Kidney Research, The Children’s Hospital at Westmead, Sydney, New South Wales, Australia;
12Department of Medicine, University François Rabelais, Tours, France;
13Department of Nephrology and Clinical Immunology, Tours Hospital, Tours, France;
14U1246, Institut National de la Santé et de la Recherche Médicale, University François Rabelais, Tours, France;
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Armando Teixeira-Pinto
1Sydney School of Public Health, University of Sydney, Sydney, New South Wales, Australia;
2Centre for Kidney Research, The Children’s Hospital at Westmead, Sydney, New South Wales, Australia;
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Edwina Anne Brown
15Imperial College Renal and Transplant Centre, Hammersmith Hospital, London, UK;
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Gillian Brunier
16Division of Nephrology, Sunnybrook Health Sciences Centre (retired), Toronto, Ontario, Canada;
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Jie Dong
17Renal Division, Department of Medicine, Peking University First Hospital, Beijing, China;
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Tony Dunning
18South Bank Technical and Further Education, Brisbane, Australia;
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Rajnish Mehrotra
19Division of Nephrology, Department of Medicine, Kidney Research Institute and Harborview Medical Center, University of Washington, Seattle, Washington;
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Saraladevi Naicker
20Department of Internal Medicine, School of Clinical Medicine, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa;
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Roberto Pecoits-Filho
21School of Medicine, Pontifícia Universidade Católica do Paraná, Curitiba, Paraná, Brazil;
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Jeffrey Perl
22Division of Nephrology, Department of Medicine, St. Michael’s Hospital, University of Toronto, Toronto, Ontario, Canada; and
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Martin Wilkie
23Department of Nephrology, Sheffield Teaching Hospitals National Health Service Foundation Trust, Sheffield, UK
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Allison Tong
1Sydney School of Public Health, University of Sydney, Sydney, New South Wales, Australia;
2Centre for Kidney Research, The Children’s Hospital at Westmead, Sydney, New South Wales, Australia;
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Abstract

Background and objectives The absence of accepted patient-centered outcomes in research can limit shared decision-making in peritoneal dialysis (PD), particularly because PD-related treatments can be associated with mortality, technique failure, and complications that can impair quality of life. We aimed to identify patient and caregiver priorities for outcomes in PD, and to describe the reasons for their choices.

Design, setting, participants, & measurements Patients on PD and their caregivers were purposively sampled from nine dialysis units across Australia, the United States, and Hong Kong. Using nominal group technique, participants identified and ranked outcomes, and discussed the reasons for their choices. An importance score (scale 0–1) was calculated for each outcome. Qualitative data were analyzed thematically.

Results Across 14 groups, 126 participants (81 patients, 45 caregivers), aged 18–84 (mean 54, SD 15) years, identified 56 outcomes. The ten highest ranked outcomes were PD infection (importance score, 0.27), mortality (0.25), fatigue (0.25), flexibility with time (0.18), BP (0.17), PD failure (0.16), ability to travel (0.15), sleep (0.14), ability to work (0.14), and effect on family (0.12). Mortality was ranked first in Australia, second in Hong Kong, and 15th in the United States. The five themes were serious and cascading consequences on health, current and impending relevance, maintaining role and social functioning, requiring constant vigilance, and beyond control and responsibility.

Conclusions For patients on PD and their caregivers, PD-related infection, mortality, and fatigue were of highest priority, and were focused on health, maintaining lifestyle, and self-management. Reporting these patient-centered outcomes may enhance the relevance of research to inform shared decision-making.

  • Outcomes
  • Caregivers
  • blood pressure
  • quality of life
  • Self-Management
  • Decision Making
  • Patient Participation
  • peritoneal dialysis
  • Wakefulness
  • Life Style

Introduction

Health research aims to inform clinical practice and policy, but the absence of patient-centered outcomes can reduce the ability of research to inform shared decision-making among patients, their families, and their clinicians (1,2). In the context of trials, investigators typically select outcomes on the basis of their responsiveness to the intervention and feasibility, rather than those that are directly meaningful to patients, who are rarely involved in the selection of outcomes (3). Across medical specialties, the increasing recognition of the mismatch between the priorities of patients and researchers has prompted concerted efforts to ensure that patient-centered outcomes are identified and integrated into research (4–7).

In dialysis, patient-centered outcomes, such as fatigue and the ability to work, are infrequently reported across trials (8,9). Instead, biochemical markers, such as serum calcium, phosphate, and potassium, are often used because they are easier to measure and require a smaller sample size to show an effect (10,11). Peritoneal dialysis (PD)–related treatments may be associated with varying and uncertain risks of mortality and complications, including infection, pain, and technique failure, which in turn can have severe and direct consequences on the patient’s lifestyle, psychosocial wellbeing, overall quality of life, and caregiver burden (12). Patients have reported concerns about pain, body image, and the ability to self-manage (13–15); however, studies do not consistently report these outcomes (16,17).

In CKD, previous studies have elicited priorities for outcomes among patients on hemodialysis (8) and transplant recipients (18), but patient preferences for outcomes for research in PD remain to be systematically and explicitly identified. The aim of this study was to identify patient and caregiver priorities for outcomes in PD, and to elicit the reasons underpinning these priorities. The selection of outcomes for research that are meaningful to patients on PD will ultimately result in a more patient-centered research agenda for these patients.

Materials and Methods

Participant Recruitment and Selection

We recruited patients on PD and their caregivers (i.e., a family member or friend involved in providing support and care) from three centers in Australia (Sydney, Melbourne. and Brisbane), one center in the United States (Los Angeles), and five centers in Hong Kong. These countries were chosen on the basis of geographical locality of the investigator team and to capture a diverse range of perspectives from patients and caregivers located in countries with different PD policies We applied purposive sampling to obtain a wide range of demographic (age, sex) and clinical characteristics (continuous ambulatory peritoneal dialysis [CAPD] versus automated PD, dialysis vintage, complications). Participants were eligible if they were 18 years or older, able to give informed consent, and English-speaking (or Spanish-speaking in the United States). We reimbursed participants US$50 in local currency for their travel expenses. Ethics approval was obtained from the Western Sydney Local Health District, Monash Health, Metro South Health, Los Angeles Biomedical Research Institute, Kowloon West Cluster Research Ethics Committee, University of Hong Kong/Hospital Authority Hong Kong West Cluster, and the New Territories West Cluster Clinical and Research Ethics Committee.

Data Collection

We conducted 2-hour focus groups with an embedded nominal group technique from March to September 2017. The nominal group technique involved structured discussion to identify outcomes, followed by individual ranking of the outcomes, thereby allowing all participants to contribute equally (19). Each group discussion consisted of four phases: (1) discussion of experiences relating to PD; (2) generation of outcomes whereby participants, in turn, suggested outcomes that were augmented with outcomes from previous groups and outcomes reported in trials in the area of PD (16,17,20–23); (3) individual ranking of the importance of each outcome; and (4) discussion of the reasons for their rankings. One researcher (K.E.M. or A.T.) facilitated the groups, which were held in meeting rooms external to the hospital. The question guide is provided in Supplemental Table 1. Each session was audio recorded and transcribed verbatim. An observer (K.E.M. or A.T.) recorded field notes on group dynamics and interactions during the session. Groups were convened until data saturation occurred i.e., when no new outcomes or insights were identified in subsequent groups.

Data Analysis

Nominal Group Ranking.

The importance score for each outcome is computed as the average of the reciprocal rankings. The reciprocal ranking is defined as 1 over the ranking assigned by each participant to each outcome. For example, if mortality is ranked first by one participant and third by another, the reciprocal rankings will be 1 and 1/3, respectively. If the outcome was not ranked by the participant, it was given a 0 as the reciprocal ranking. A higher reciprocal ranking indicates higher priority of the outcome. This score takes into account the importance given to the outcome by the ranking and the consistency of being nominated by the participants (24). A more detailed explanation is given in Supplemental Appendix 1.

Qualitative Analysis.

We entered transcripts into HyperRESEARCH software (version 3.7.3; ResearchWare Inc., Randolph, MA). Using thematic analysis, K.E.M reviewed the transcripts line by line and inductively identified concepts that reflected the reasons for participants’ identification and ranking of outcomes, and compared the concepts within and across groups to develop preliminary themes. The themes were discussed among the research team and revised to ensure that they reflected the full range and depth of the participants’ data.

Results

Participant Characteristics

In total, 126 patients/caregivers participated across the 14 groups (Table 1), with each group comprising 6–12 participants (Supplemental Table 2). The attendance rate was 89% and the reasons for nonattendance included work, other appointments, inability to arrange transportation, hospitalization, and illness. Thirteen groups were conducted in English language, and one group was conducted in Spanish language. Participants were aged 18–84 (mean 54, SD 15) years and 63 (50%) were women (Table 1). Eighty one (64%) participants were patients, of whom 35 (47%) were on CAPD, and 40 (53%) were on automated PD. Sixty patients (78%) had been on PD for <4 years. Of the 45 caregivers, 29 (64%) were spouses, six (13%) were parents, and six (13%) were siblings.

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Table 1.

Demographic characteristics of participants (n=126)

Nominal Group Ranking

The participants identified a combined total of 56 outcomes. Across all participants, the ten highest ranked outcomes were PD infection (importance score, 0.27), mortality (0.25), fatigue (0.25), flexibility with time (0.18), BP (0.17), PD failure (0.16), ability to travel (0.15), sleep (0.14), ability to work (0.14), and effect on family (0.12) (Figure 1).

Figure 1.
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Figure 1.

Overall importance scores for all outcomes across groups (SEM bars).

Comparing across countries, the highest ranked outcomes were mortality (0.31), fatigue (0.25), and BP (0.23) in Australia; PD infection (0.36), fatigue (0.28), and flexibility with time (0.28) in the United States; and PD infection (0.29), mortality (0.28), and residual kidney function (0.24) in Hong Kong (Supplemental Figure 1). The top three outcomes for patients (n=81) were PD infection (0.27), fatigue (0.25), and mortality (0.23); and for caregivers (n=45) were mortality (0.29), PD infection (0.25), and fatigue (0.25) (Supplemental Figure 2). The outcome with the greatest difference in importance score between these two groups was ability to work (patients, 0.17 versus caregivers, 0.09). By sex, the top ranked outcomes for women (n=63) were PD infection (0.34), fatigue (0.23), and flexibility with time (0.21), compared with mortality (0.30), fatigue (0.27), and PD infection (0.20) for men (n=63) (Supplemental Figure 3). For age, the highest ranked outcomes for participants aged 55 years or older (n=63) were PD infection (0.30), fatigue (0.23), and ability to travel (0.18), whereas the top three for participants aged <55 years (n=62) were mortality (0.38), fatigue (0.25), and PD infection (0.24) (Supplemental Figure 4).

Qualitative Analysis

We identified five themes that explained participants’ ranking of outcomes. The description of the themes in the following section applied to both patients and caregivers unless otherwise specified. Supporting quotations for each theme are provided in Table 2. A thematic schema to show the conceptual links between the themes and ranking of outcomes is provided in Figure 2.

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Table 2.

Selected illustrative quotations

Figure 2.
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Figure 2.

Thematic schema depicting themes underpinning rankings of outcomes. Patients/caregivers gave higher priority to lifestyle and functional outcomes, and morbidity and mortality, compared with biochemical parameters and symptoms. The reasons for their prioritization are indicated in the themes. The theme of “requiring constant vigilance” contributed to higher prioritization of outcomes related to morbidity and mortality (e.g., PD infection), lifestyle and function (e.g., flexibility with time), as well as some biochemical parameters (e.g., potassium). “Current and impending relevance” contributed to the prioritization of outcomes relating to symptoms (e.g., sexual function, fatigue, depression), whereas the theme of “beyond control and responsibility” explained the lower prioritizations of morbidity and mortality-related outcomes, as patients felt some outcomes were inevitable (e.g., kidney function, mortality). “Maintaining role and social functioning” related to lifestyle and functional outcomes, such as the ability to work and travel. “Serious cascading consequences on health” justified the high prioritization of morbidity and mortality outcomes.

Serious Cascading Consequences on Health.

Higher rankings were given to outcomes if participants believed they led to serious and harmful effects on their health. Participants described this as a “domino effect,” where “one [outcome] affects the other” (“if you’re constipated it’s going to give you an infection…then you get fluid retention…then you’re in the hospital.”). BP was also considered a “very important” outcome because it “always affects other organs.”

Current and Impending Relevance.

Participants considered the importance of outcomes on the basis of the challenges they currently faced, and those commonly experienced among patients on PD. PD infection was ranked highly by most participants, and to them this was “no surprise, because it always happens to so many renal patients.” Some caregivers were concerned and felt helpless about the possible onset of depression in the patients they cared for, expressing that if it occurred they “don’t know what to do”; and thus ranked this outcome of high priority. The importance of outcomes such as mortality and the ability to work “depends on your age,” and for older participants were regarded as “no longer a problem.”

Maintaining Role and Social Functioning.

Participants gave higher priority to outcomes that enabled them to maintain their desired lifestyle or strengthened their resilience. Outcomes including the ability to work, travel, mobility, and flexibility with time, allowed participants to “feel normal,” and these reminded them of “what you are and also what you’re not, that you’re not just your illness.” Participants also ranked outcomes such as fatigue, infection, and hospitalization of higher importance because they caused disruption and inconvenience to daily living. This was particularly important for participants with young children or those who were the primary income earners: “he’s a primary caregiver in my shoes, so to have him in hospital, and if it’s quite bad, it’s just an onset of income worry.” Outcomes, such as energy (fatigue), were regarded by participants as necessary to cope with the challenges of the disease and treatment, and thus were ranked of high importance: “Energy is the base of the body, when you have energy you can pretty much endure everything.”

Requiring Constant Vigilance.

Outcomes that patients were required to avoid (e.g., PD infection) or control (e.g., potassium) were of high importance as patients constantly had to be “watchful” and “careful,” which they attributed to causing stress, anxiety, and “wear and tear on the psyche.” Flexibility with time was considered important, especially to patients on CAPD, as they felt it was “life-constricting that you have to be home particular times of the day” to perform a PD exchange. Some patients felt they had “no choice” but to adhere to their PD schedule, some discussed skipping exchanges out of convenience, and others had problems remembering to do their PD on time. Patients regarded fluid status, weight, and BP to be very important because they were instructed by their clinicians to monitor and record them daily: “Every day you need to put the BP and fluid, because that means they are the most important things.”

Beyond Control and Responsibility.

Some participants gave lower priority to outcomes, such as death or residual kidney function, because they considered that these were beyond their control or scope of responsibility: “Get on with life and just live it, and just let the doctors worry about your kidney function.” Outcomes were also given lower rankings if they were considered treatable: “It [infection] is important but it is something that can be cured, but how can you get energy, with a cream, or antibiotic?”

Discussion

For patients on PD and their caregivers, clinical outcomes (PD infection and mortality) and patient-reported outcomes (fatigue, flexibility with time, ability to travel, sleep, and ability to work) were the highest priorities. BP was the only surrogate outcome ranked in the top ten. These priorities for outcomes reflected concerns about the potential for serious consequences on health, immediate or likely risks of complications, disruption to their lifestyle, capacity for control, and self-management to minimize and manage the outcomes.

PD infection, including peritonitis, exit-site, and tunnel infections, was the highest ranked outcome overall, consistent with the frequency with which it is reported in trials (17,25). Patients felt they were constantly required to be extremely vigilant with their hygiene practices to minimize their risk of infection, which may jeopardize PD survival, cause pain, or require hospitalization. The patients’ focus on need to prevent an infection reflects findings from a recent study in which patients on PD described peritonitis as an ever-present concern, as they worried about the risk of PD failure or death, wanted to avoid hospitalization, and felt incapacitated to carry out their usual tasks (15).

Fatigue was ranked as the top patient-reported outcome, overall ranking third with an importance score almost equivalent to mortality. Patients emphasized that fatigue caused major disruptions to daily life, particularly for those who worked or had children dependent on them, and that it could be debilitating and undermine their ability to be resilient. In comparison, patients on hemodialysis and their caregivers ranked fatigue as the highest ranked outcome overall, describing it as incapacitating, psychologically draining, and detrimental to a patient’s overall wellbeing (8). Patients with other conditions, including rheumatic diseases and cancer, have also identified fatigue as an important outcome (26,27). Despite this high ranking of fatigue reported by patients on PD and hemodialysis, fatigue remains infrequently reported in trials in dialysis (9). Of note, studies have shown that health care providers underestimate both the prevalence and severity of fatigue in patients on dialysis (28).

Flexibility with time ranked fourth overall, and was defined as the ability to schedule dialysis according to one’s day. This was important for patients, particularly those on CAPD, as they felt constrained by having to schedule their lives around PD exchanges. Each day, they were required to monitor their time so they could return home in time to do PD, and some decided to skip an exchange of their own accord out of convenience or necessity. Flexibility with time allowed patient autonomy, which has the potential to improve patient satisfaction with treatment and adherence. Other studies have also shown that this outcome is a key contributing factor toward a patient’s choice of PD as a dialysis modality (29,30).

For some patients, the perceived importance of outcomes was, in part, influenced by what clinicians regularly measured in routine care, or what they were required to monitor on a daily basis. This was particularly relevant for BP, and to a lesser degree fluid status, which both ranked of relatively high importance because they were frequently monitored. Patients suggested that the responsibility of monitoring outcomes also enabled them to gain a sense of control and empowerment in their treatment, and were able to reassure themselves when they saw that their values were within the reference range.

There were differences in the importance of outcomes noted across participant subgroups, particularly in terms of patients versus caregivers, age, and country. Patients ranked the ability to work and mobility higher than caregivers, which reflected patients’ desire to maintain their lifestyle, autonomy, and sense of normality. This is consistent with previous studies, which found that reducing lifestyle disruptions and sustaining employment were important factors for patients when choosing between dialysis modalities (31). Caregivers, on the other hand, ranked effect on family and friends higher, which suggests a need for greater support for those who care for patients on PD (32). Studies have shown that the burden of responsibility among caregivers places them at risk of reduced quality of life and mental health (33–35). In comparison to younger participants (aged <55 years) for whom mortality was ranked first overall, participants in the older age group (>55 years) ranked mortality 11th, and gave higher priority to quality-of-life outcomes, including ability to travel and sleep. This suggests that decision-making requires consideration of the patients’ different goals and priorities across age groups. Participants in the United States ranked mortality lower (15th) compared with Australia (first) and Hong Kong (second). Mortality was discussed by participants in the United States as important; however, they gave higher rankings to outcomes that affected their daily functioning, such as pain and mobility, as well as outcomes that affected their potential to provide for or spend time with their families, including flexibility with time, the ability to work, ability to travel, and effect on family and friends (13). We speculate that some of the variability in outcome priorities across countries may be because of cultural differences or differences in health care systems.

This study was conducted in three countries and in two languages, and the mixed methods design enabled quantification of the relative importance of outcomes, as well as nuanced insights into the perspectives and reasons underpinning patient and caregiver choices. However, we acknowledge some potential limitations. Only patients who were able to travel and attend the focus group participated and thus may have precluded participation by patients who were frail or had very limited mobility. Because of ethical requirements, we were unable to collect the characteristics of individuals who declined to participate. We conducted groups with English-speaking participants (including in Hong Kong) and were only able to conduct one group in Spanish language because of resource constraints. As such, we could not compare by language groups. The broader transferability to the PD population in other countries is uncertain. Furthermore, most of the participants had been on PD for <4 years.

There is widespread recognition of the need to include patient-reported outcomes in research to enable shared decision-making on the basis of outcomes that reflect how patients feel or function, and patient-reported outcome measures are increasingly being implemented in research and clinical care. In our study, we have identified that fatigue, flexibility with time, ability to travel, ability to work, sleep, and effect on family are high-priority outcomes for patients, but specific measures for these outcomes have not been well validated in the PD population. Patient-reported outcome measures used in PD trials include the Short Form 36 (36,37) and EuroQol (22); however, these global instruments do not assess domains or items specific to the PD population. The Kidney Disease Quality of Life (KDQOL-SF or KDQOL-36) instrument incorporates the burden of CKD and has been recommended for use in the dialysis population (38). This measure has been used in some PD trials (39,40) and incorporates many aspects of the patient-reported outcomes identified in this study, including fatigue, ability to travel, and sleep, but it does not specifically measure flexibility with time, i.e., the degree of interference that dialysis has on a patient’s schedule.

This study will inform the development of a core outcome set for trials in PD, which incorporates the priorities of all stakeholders as part of the Standardized Outcomes in Nephrology (SONG) initiative (41). To date, the SONG initiative has successfully developed core outcome sets in hemodialysis and kidney transplantation, using patient and caregiver priorities identified through nominal group technique and Delphi surveys (8,42,43). These outcomes will be used in the international SONG-PD Delphi Survey with patients, caregivers, and health professionals to gain consensus on the critically important outcomes to be included in all trials in PD. Consistent reporting of outcomes of direct relevance to patients in trials and clinical care can enable evidence-informed decision-making on the basis of patients’ preferences.

Patients on PD and their caregivers give high priority to clinical outcomes (such as PD infection and mortality) and many patient-reported outcomes (particularly fatigue and flexibility with time) that are absent in the majority of trials in PD. There is a need to focus the selection of outcomes toward those that are meaningful for patients on PD and their caregivers to support decisions about their own health, and to direct resources toward developing, evaluating, and implementing interventions that target these patient-centered outcomes.

Disclosures

K.E.M. is supported by a National Health and Medical Research Council (NHMRC) Postgraduate Scholarship (APP1151343). A.T. is supported by a NHMRC Fellowship (APP1106716). D.W.J. is supported by a NHMRC Practitioner Fellowship. A.K.V. reports having received grant support from the NHMRC of Australia (Medical Postgraduate Scholarship) and the Royal Australasian College of Physicians (Jacquot National Health and Medical Research Council Medical Award for Excellence). J.I.S. is supported by grant K23DK103972 from the National Institutes of Health National Institute of Diabetes and Digestive and Kidney Diseases. Y.C. is supported by a NHMRC Early Career Fellowship. The funding organization had no role in the preparation, review, or approval or the manuscript.

Supplemental Material

Supplemental Appendix 1. Mathematical formula for nominal group technique ranking.

Supplemental Table 1. Focus group question guide.

Supplemental Table 2. Location and number of participants in each nominal group.

Supplemental Figure 1. Importance scores for outcomes by country: Australia, Hong Kong, and the United States.

Supplemental Figure 2. Importance scores for outcomes between patients and caregivers.

Supplemental Figure 3. Importance scores for outcomes between male and female participants.

Supplemental Figure 4. Importance scores for outcomes between participants over and under 55 years of age.

Acknowledgments

We thank all of the patients and caregivers who gave their time to participate in the study.

Because R.M. is the Editor-in-Chief (EIC) of the Clinical Journal of the American Society of Nephrology, he was not involved in the peer review process for this manuscript. Another editor oversaw the peer review and decision-making process for this manuscript. Ian de Boer, a Deputy Editor of CJASN, is at the same institution as some of the authors, including the EIC and therefore was also not involved in the peer review process for this manuscript.

Footnotes

  • Published online ahead of print. Publication date available at www.cjasn.org.

  • See related Patient Voice, “Patient Priorities for Research Involving Peritoneal Dialysis,” on page 3.

  • This article contains the following supplemental material online at http://cjasn.asnjournals.org/lookup/suppl/doi:10.2215/CJN.05380518/-/DCSupplemental.

  • Received May 1, 2018.
  • Accepted October 15, 2018.
  • Copyright © 2019 by the American Society of Nephrology

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Clinical Journal of the American Society of Nephrology: 14 (1)
Clinical Journal of the American Society of Nephrology
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Patient and Caregiver Priorities for Outcomes in Peritoneal Dialysis
Karine E. Manera, David W. Johnson, Jonathan C. Craig, Jenny I. Shen, Lorena Ruiz, Angela Yee-Moon Wang, Terence Yip, Samuel K.S. Fung, Matthew Tong, Achilles Lee, Yeoungjee Cho, Andrea K. Viecelli, Benedicte Sautenet, Armando Teixeira-Pinto, Edwina Anne Brown, Gillian Brunier, Jie Dong, Tony Dunning, Rajnish Mehrotra, Saraladevi Naicker, Roberto Pecoits-Filho, Jeffrey Perl, Martin Wilkie, Allison Tong
CJASN Jan 2019, 14 (1) 74-83; DOI: 10.2215/CJN.05380518

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Patient and Caregiver Priorities for Outcomes in Peritoneal Dialysis
Karine E. Manera, David W. Johnson, Jonathan C. Craig, Jenny I. Shen, Lorena Ruiz, Angela Yee-Moon Wang, Terence Yip, Samuel K.S. Fung, Matthew Tong, Achilles Lee, Yeoungjee Cho, Andrea K. Viecelli, Benedicte Sautenet, Armando Teixeira-Pinto, Edwina Anne Brown, Gillian Brunier, Jie Dong, Tony Dunning, Rajnish Mehrotra, Saraladevi Naicker, Roberto Pecoits-Filho, Jeffrey Perl, Martin Wilkie, Allison Tong
CJASN Jan 2019, 14 (1) 74-83; DOI: 10.2215/CJN.05380518
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