Measuring wearing time of knee-ankle-foot orthoses in children with cerebral palsy: comparison of parent-report and objective measurement

MAAS, Jose, DALLMEIJER, Annet J., OUDSHOORN, Bodil, BOLSTER, Eline A. M., HUIJING, Peter A., JASPERS, Richard T. and BECHER, Jules G. (2016). Measuring wearing time of knee-ankle-foot orthoses in children with cerebral palsy: comparison of parent-report and objective measurement. Disability and Rehabilitation. (In Press)

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Official URL: http://www.tandfonline.com/doi/abs/10.1080/0963828...
Link to published version:: 10.1080/09638288.2016.1258434

Abstract

Purpose State Orthotic wearing time may be an important confounder in efficacy studies of treatment in children with spastic cerebral palsy (SCP). Most studies measure parent-reported wearing time with questionnaires, but it is questionable whether this yields valid results. This study aims to compare parent-reported wearing time (WTparent) with objectively measured wearing time (WTobj) in children with SCP receiving orthotic treatment. Method Eight children with SCP participated in this observational study. For one year, they received knee-ankle-foot orthosis (KAFO) treatment. WTparent was measured using questionnaires. WTobj was measured using temperature sensor-data-loggers that were attached to the KAFOs. The 2.5th and 97.5th percentiles and median of differences between methods (per participant) were used to calculate limits of agreement and systematic differences. Results There was no systematic difference between WTparent and WTobj (0.1 hours per week), but high inter-individual variation of the difference was found, as reflected by large limits of agreement (lower limit/2.5th percentile: -1.7. hours/week; upper limit/97.5th percentile: 11.1 hours/week). Conclusions Parent-reported wearing time of a knee-ankle-foot orthosis differs largely from objectively measured wearing time using temperature sensors. Therefore, parent-reported wearing time of KAFOs should be interpreted with utmost care.

Item Type: Article
Research Institute, Centre or Group: Centre for Sports Engineering Research
Identification Number: 10.1080/09638288.2016.1258434
Depositing User: Helen Garner
Date Deposited: 22 Nov 2016 17:53
Last Modified: 23 Dec 2016 16:44
URI: http://shura.shu.ac.uk/id/eprint/14122

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