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Gepubliceerd in: Quality of Life Research 1/2019

02-08-2018 | Review

A systematic review of utility values in children with cerebral palsy

Auteurs: Utsana Tonmukayakul, Long Khanh-Dao Le, Shalika Bohingamu Mudiyanselage, Lidia Engel, Jessica Bucholc, Brendan Mulhern, Rob Carter, Cathrine Mihalopoulos

Gepubliceerd in: Quality of Life Research | Uitgave 1/2019

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Abstract

Purpose

Project aims include the following: (i) to identify reported utility values associated with CP in children aged ≤ 18 years; (ii) to explore utility value elicitation techniques in published studies; and (iii) to examine performance of the measures and/or elicitation approaches.

Methods

Peer-reviewed studies published prior to March 2017 were identified from six electronic databases. Construct validity, convergent validity, responsiveness, and reliability of instruments were assessed.

Results

Five studies met the inclusion criteria. Utility values of hypothetical general CP states obtained from a general population of parents ranged from 0.55 to 0.88 using time trade off (TTO) and 0.60–0.87 using standard gamble (SG) techniques. Utility values reported by clinicians of three hypothetical spastic quadriplegic CP states, using the Health Utility Index Mark 2 (HUI-2), ranged from 0.40 to 0.13. Other sources of utilities identified were based on both proxy and child ratings using Health Utility Index Mark 3 (HUI-3) (values ranged from − 0.013 to 0.84 depending on the valuation source) and the Assessment of Quality of Life 4 Dimension instrument, with values ranging from 0.01 to 0.58. Construct validity of the HUI-3 varied from moderate to strong, whereas mixed results were found for convergent validity. Responsiveness and reliability were not reported.

Conclusion

There was substantial variation in reported utilities. Indirect techniques (i.e. via multi-attribute utility instruments) were more frequently used than direct techniques (e.g. TTO, SG). Further research is required to improve the robustness of utility valuation of health-related quality of life in children with CP for use in economic evaluation.
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Metagegevens
Titel
A systematic review of utility values in children with cerebral palsy
Auteurs
Utsana Tonmukayakul
Long Khanh-Dao Le
Shalika Bohingamu Mudiyanselage
Lidia Engel
Jessica Bucholc
Brendan Mulhern
Rob Carter
Cathrine Mihalopoulos
Publicatiedatum
02-08-2018
Uitgeverij
Springer International Publishing
Gepubliceerd in
Quality of Life Research / Uitgave 1/2019
Print ISSN: 0962-9343
Elektronisch ISSN: 1573-2649
DOI
https://doi.org/10.1007/s11136-018-1955-8