Abstract
Purpose
To examine associations between Pediatric Quality of Life Inventory (PedsQL) 4.0 Generic Core Scales and PedsQL Infant Scales with formal health care resource utilization (HCRU) and informal caregiver burden.
Methods
We studied a pediatric cohort of 837 patients (median age: 8.4 years) with suspected genetic disorders enrolled January 2019 through July 2021 in the NYCKidSeq program for diagnostic sequencing. Using linked ~ nine-month longitudinal survey and physician claims data collected through May 2022, we modeled the association between baseline PedsQL scores and post-baseline HCRU (median follow-up: 21.1 months) and informal care. We also assessed the longitudinal change in PedsQL scores with physician services using linear mixed-effects models.
Results
Lower PedsQL total and physical health scores were independently associated with increases in 18-month physician services, encounters, and weekly informal care. Comparing low vs. median total scores, increases were 10.6 services (95% CI: 1.0-24.6), 3.3 encounters (95% CI: 0.5–6.8), and $668 (95% CI: $350–965), respectively. For the psychosocial domain, higher scores were associated with decreased informal care. Based on adjusted linear mixed-effects modeling, every additional ten physician services was associated with diminished improvement in longitudinal PedsQL total score trajectories by 1.1 point (95% confidence interval: 0.6–1.6) on average. Similar trends were observed in the physical and psychosocial domains.
Conclusion
PedsQL scores were independently associated with higher utilization of physician services and informal care. Moreover, longitudinal trajectories of PedsQL scores became less favorable with increased physician services. Adding PedsQL survey instruments to conventional measures for improved risk stratification should be evaluated in further research.
Plain English summary
The Pediatric Quality of Life Inventory (PedsQL) is widely used to measure health-related quality of life in pediatric patients; however, few studies have examined whether the PedsQL is indicative of longitudinal outcomes of morbidity and health care needs. This study captures associations between PedsQL scores with utilization of physician and informal care in children with suspected genetic disorders. We demonstrate that lower PedsQL total and physical health scores are independently associated with greater utilization of physician services and informal care. Moreover, longitudinal trajectories of PedsQL scores become less favorable with increased physician services. Results can inform future applications of PedsQL instruments.
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Acknowledgements
The authors thank all of the children, parents, and families who participated in this study. The authors also thank the New York Genome Center, Rady Children’s Institute for Genomic Medicine, and Sema4 laboratory; the members of the Mount Sinai Hospital Genomics Stakeholder Board; referring physicians in the Mount Sinai and Montefiore Health Systems. In CSER, we aim to improve the use of genetic information in medicine and reduce barriers to genetic services among underserved groups. Our research seeks to better understand connections between genes, other drivers of health and disease, and health outcomes. We have worked with study participants and community partners to help make our research more inclusive. We still have much more work to do to ensure that our findings are applied in fair and just ways. We also acknowledge the need for more diversity among our own researchers. As we publish the results of CSER, we commit to carrying efforts forward to make sure people of all backgrounds benefit from genomic research and medicine.
Funding
This research was supported by the National Human Genome Research Institute (NHGRI) and the National Institute on Minority Health and Health Disparities (NIMHD) of the National Institutes of Health under Award Number U01HG009610. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health. The funder had no role in design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
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AB: Conceptualization, Formal analysis, Investigation, Methodology, Writing-original draft, Writing-review and editing. NRK: Conceptualization, Data curation, Investigation, Methodology, Project administration, Supervision, Writing-original draft, Writing-review and editing. AF: Conceptualization, Data curation, Investigation, Writing-review and editing. SFH: Conceptualization, Data curation, Investigation, Writing-review and editing. NSA-H: Writing-review and editing. JMG: Writing-review and editing. CRH: Funding acquisition, Writing-review and editing. MPW: Funding acquisition, Writing-review and editing. EEK: Funding acquisition, Supervision, Writing-review and editing. BDG: Funding acquisition, Supervision, Writing-review and editing. BSF: Conceptualization, Formal analysis, Investigation, Methodology, Supervision, Writing-original draft, Writing-review and editing.
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The NYCKidSeq and TeleKidseq studies were approved by the Icahn School of Medicine at Mount Sinai and the Albert Einstein College of Medicine Institutional Review Boards.
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Written informed consent was obtained from pediatric participants who were capable of providing (≥ 18 years of age and cognitively able) and all parent or legal guardian participants.
Competing interests
Dr. Abul-Husn is an employee and equity holder of 23andMe; serves as a scientific advisory board member for Allelica; received personal fees from Genentech, Allelica, and 23andMe; received research funding from Akcea; and was previously employed by Regeneron Pharmaceuticals. Dr. Wasserstein has received speaker honoraria and consulting fees from Sanofi, and has received research funding from Abeona, Alexion, BioMarin, Orchard, PassageBio, Sio, Takeda, Travere, and Ultragenyx. Dr. Kenny has received speaker honoraria from Illumina, 23&Me, Allelica, and Regeneron Pharmaceuticals, received research funding from Allelica, and serves as a scientific advisory board member for Encompass Biosciences, Overtone, and Galateo Bio. All other authors declare they have no conflicts of interest to report.
Clinical Trial registry name, registration number, and data sharing statement
The NYCKidSeq program (Trial Registration ClinicalTrials.gov Identifier: NCT03738098). The information contained in this article was based in part on data accessed as part of AAMC–Vizient Clinical Practice Solutions Center® subscription services. Claims data are proprietary and therefore cannot be shared. The NYCKidSeq program datasets and statistical codes used during the current study are available from the corresponding authors.
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Berkalieva, A., Kelly, N.R., Fisher, A. et al. Physician and informal care use explained by the Pediatric Quality of Life Inventory (PedsQL) in children with suspected genetic disorders. Qual Life Res (2024). https://doi.org/10.1007/s11136-024-03677-1
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DOI: https://doi.org/10.1007/s11136-024-03677-1