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首页> 外文期刊>Neuromuscular disorders: NMD >Reliability of the walking energy cost test and the six-minute walk test in boys with Duchenne muscular dystrophy
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Reliability of the walking energy cost test and the six-minute walk test in boys with Duchenne muscular dystrophy

机译：步行能量成本测试和6分钟步行测试对Duchenne肌营养不良男孩的可靠性

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摘要

The walking energy cost test (WECT) is a useful tool when measuring ambulatory function in children with motor disorders. However, data on the reliability of this test in Duchenne muscular dystrophy (DMD) is not available. In this study we established the reliability of the WECT and the commonly used six-minute walk test (6MWT) in 19 boys with DMD, aged 6-12years. Participants performed the WECT and 6MWT twice within three weeks. Reliability was determined for walking distance (D, m) and gross energy cost (EC, Jkg-1m-1), using the intraclass correlation coefficient (ICC2,1) and smallest detectable change (SDC).Reliability for walking distance was good, with an ICC of 0.92 [95% CI: 0.81-0.97] and 0.83 [CI: 0.53-0.94] for the 6MWT and WECT, respectively, and an ICC of 0.85 [CI: 0.64-0.94] for gross EC. SDCs were 12.2% for D6MWT, 12.7% for DWECT and 18.5% for gross EC. In conclusion, in young boys with DMD, the reliability of both the WECT and 6MWT for assessing walking distance is adequate. Gross EC, as assessed with the WECT is also reliable and sufficiently sensitive to detect change in walking strain following interventions at group level.
机译：步行能量消耗测试（WECT）是测量运动障碍儿童动态功能的有用工具。但是，尚无有关该试验在杜兴氏肌营养不良症（DMD）中的可靠性的数据。在这项研究中，我们确定了19名6-12岁DMD男孩的WECT可靠性和常用的六分钟步行测试（6MWT）。参加者在三周内两次进行了WECT和6MWT。使用组内相关系数（ICC2,1）和最小可检测变化（SDC）确定步行距离（D，m）和总能源成本（EC，Jkg-1m-1）的可靠性。步行距离的可靠性良好， 6MWT和WECT的ICC分别为0.92 [95％CI：0.81-0.97]和0.83 [CI：0.53-0.94]，总EC的ICC为0.85 [CI：0.64-0.94]。 D6MWT的SDC为12.2％，DWECT为12.7％，总EC为18.5％。总之，在患有DMD的年轻男孩中，WECT和6MWT评估步行距离的可靠性是足够的。用WECT评估的总EC值也很可靠，并且足够敏感，可以检测出在小组水平上的干预后步行压力的变化。

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