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Reliability of energy cost calculations in children with cerebral palsy, cystic fibrosis and healthy controls
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Clinical Nutrition and Metabolism. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health. (Barnneurologisk forskning/Ahlsten)
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Clinical Nutrition and Metabolism.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health. (Barnendokrinologisk forskning/Gustafsson)
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health. (Barnneurologisk forskning/Ahlsten)
2011 (English)In: Acta Paediatrica, ISSN 0803-5253, E-ISSN 1651-2227, Vol. 100, no 12, 1616-1620 p.Article in journal (Refereed) Published
Abstract [en]

Aim: To study test-retest reliability of physiological cost index (PCI) and total cost index (TCI) in three groups of children. TCI modified PCI by excluding rest heart rate in calculation.

Methods: Energy cost was evaluated from two consecutive walking tests, and results were compared between methods, tests and groups. Thirty-nine children, eight with cerebral palsy, 11 with cystic fibrosis and 20 healthy controls, aged 5-16 years participated in the study conducted at the Clinical Nutrition and Metabolism laboratory, University Hospital, Uppsala, Sweden. Heart rate was recorded during sitting and walking at self-selected speed. PCI and TCI were calculated using both non-steady-state and steady-state work heart rates. Test-retest reliability was analysed by mean of differences, pooled SD, coefficient of variation (CV%) and correlation coefficients.

Results: Reliability was high for PCI and TCI. TCI showed consistently lower variation between tests than PCI for all groups. In the group with cerebral palsy, using non-steady-state showed highest reliability.

Conclusion: Both PCI and TCI were reliable methods when calculating energy cost in children with cerebral palsy, cystic fibrosis and controls. TCI seemed to be a suitable alternative in the evaluation of gait efficiency in children.

Place, publisher, year, edition, pages
2011. Vol. 100, no 12, 1616-1620 p.
National Category
Health Sciences Physiotherapy Neurology
Identifiers
URN: urn:nbn:se:uu:diva-162981DOI: 10.1111/j.1651-2227.2011.02396.xISI: 000296899500027PubMedID: 21726284OAI: oai:DiVA.org:uu-162981DiVA: diva2:462237
Available from: 2011-12-06 Created: 2011-12-06 Last updated: 2017-12-08Bibliographically approved

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Bratteby Tollerz, Linda UOlsson, Roger MForslund, Anders HNorrlin, Simone E

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