Abstract
Purpose
To examine the psychometric properties and suitability for use within the context of cerebral palsy research in children and adolescents of generic preference-based outcome measures (PROMs).
Methods
Nine electronic databases were searched in this systematic review. The consensus-based standards for the selection of health measurement instruments (COSMIN) checklist were used to measure the psychometric properties of the PROMs. A meta-analysis was used to pool correlation coefficients for convergent validity using the Schmidt–Hunter method. Heterogeneity was assessed using the I-squared statistic (I2).
Results
Four preference-based PROMs were identified from eight studies: Health Utilities Index—Mark 2 and 3 (HUI-2 and HUI-3, respectively), the Assessment Quality of Life-4 dimension (AQoL-4D) and the EuroQol-5 dimension 3 level (EQ-5D-3L). Only the HUI system was primarily developed for application with children/adolescents though health-state values for scoring the PROM were elicited from adults. The HUI-3 covered the most relevant constructs though it excludes important modules of health-related quality of life (HRQOL) such as activity limitations and participation restrictions. In terms of psychometric properties, evidence was presented for only five of COSMIN measurement properties: reliability (HUI3), measurement error (HUI-3), content validity (HUI-2 and HUI-3), Hypotheses testing (HUI-3 and AQoL-4D) and criterion validity (HUI-3). No papers reported on internal consistency, structural validity, cross-cultural validity or responsiveness of the preference-based measures in children and adolescents with cerebral palsy.
Conclusions
This review highlights the dearth in studies using preference-based PROMs to measure HRQOL associated with cerebral palsy in children and adolescents. The HUI-3 demonstrated the strongest psychometric properties, though it does not cover all dimensions relevant to this population.
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Abbreviations
- 16D:
-
The Sixteen-dimensional measure of HRQOL
- AHUM:
-
The adolescent health utility measure
- AQoL:
-
Assessment Quality of Life
- CEA:
-
Cost-effectiveness analysis
- CHU9D:
-
Child health utility 9-dimensions
- CP-QOL:
-
Cerebral palsy quality of life
- CUA:
-
Cost–utility analysis
- EQ-5D-3L:
-
EuroQol-5 dimensions 3 levels
- EQ-5D-Y:
-
EuroQol-5 dimensions youth version
- GMFCS:
-
Gross motor function classification system
- HRQOL:
-
Health-related quality of life
- HUI:
-
Health Utilities Index
- NICE:
-
National Institute for Health and Care Excellence
- PBAC:
-
Pharmaceutical Benefits Advisory Committee
- PedsQL:
-
Pediatric Quality of Life Inventory
- PRISMA:
-
Preferred reporting items for systematic reviews and meta-analysis
- PROM:
-
Patient-reported outcome measures
- PROSPERO:
-
International Prospective Register of Systematic Reviews
- QALY:
-
Quality-adjusted life-years
- QoL:
-
Quality of life
- QOLdd:
-
Quality of life instrument for people with developmental disability
- QWB:
-
Quality of well-being scale
- SD:
-
Standard deviation
- SG:
-
Standard gamble
- TTO:
-
Time trade-off
- VAS:
-
Visual analogue scale
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Acknowledgements
CM is supported by the Australian Government Research Training Program Scholarship.
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CM, GC and JR formulated the idea for the study. CM wrote the first draft and the co-authors (EH, GC, RR, JR) revised the study for important intellectual content. CM will act as a guarantor for the work.
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This manuscript is a systematic review which only contains data from previously published studies. No clinical trials were conducted nor were patient data collected for this research.
Appendix 1: MEDLINE search strategy
Appendix 1: MEDLINE search strategy
Database(s): Ovid MEDLINE(R) in-process and other non-indexed citations and Ovid MEDLINE(R) 1946 to present. Includes subsets: ePUB ahead of print, in-process and other non-indexed citations, Ovid MEDLINE(R) daily.
# | Searches |
---|---|
1 | Cerebral palsy/ |
2 | (Cerebral pals* or cerebral palsy or spastic diplegia* or little disease or little’s disease or hemiplegia or quadriplegia).tw,kw |
3 | 1 or 2 |
4 | Adolescent/ or child/ |
5 | (Child* or adolescen* or teen* or pediatric* or paediatric* or youth or young* toddler or infant).tw,kw |
6 | 4 or 5 |
7 | “Quality of Life”/ or quality-adjusted life years/ |
8 | (“quality of life” or QoL or HRQOL or HRQL or HRQOL or QL or health related QOL or hql or hqol or h-qol or hr-qol or quality adjusted life or qaly* or qald* or qale* or qtime* or disability adjusted life or daly* or health utilit* or health outcomes or patient outcome or functioning or activit* or participation or health status or functional status).tw,kw |
9 | (Quality adj2 (well-being or wellbeing)).tw,kw |
10 | qwb.tw,kw |
11 | or/7–10 |
12 | 3 and 6 and 11 |
13 | “surveys and questionnaires”/ or self-report/ |
14 | (Instrument* or tool* or measure* or test* or dimension* or multidimension* or scale* or rating* or item response or properties or domain* or psychometric* or modified or schedule* or evaluat* or classification* or inventor* or index or indice* or scale* or question* or form or valid* reliab* assess* repeatability or acceptability or responsiveness or feasibility or PROM or child report or self-assess* or preference-based instrument* or multi-attribute utility* or cost utility).tw,kw |
15 | 13 or 14 |
16 | 12 and 15 |
17 | Limit 16 to English language |
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Mpundu-Kaambwa, C., Chen, G., Huynh, E. et al. A review of preference-based measures for the assessment of quality of life in children and adolescents with cerebral palsy. Qual Life Res 27, 1781–1799 (2018). https://doi.org/10.1007/s11136-018-1837-0
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DOI: https://doi.org/10.1007/s11136-018-1837-0