Lisa C Hanson1, Nicholas F Taylor2, Helen McBurney3. 1. La Trobe Rural Health School, La Trobe University, Bendigo, Victoria, Australia. Electronic address: L.Hanson@latrobe.edu.au. 2. School of Allied Health, La Trobe University, Bundoora, Victoria, Australia. 3. School of Primary Health Care, Monash University, Victoria, Australia.
Abstract
OBJECTIVES: To determine the retest reliability of the 10m incremental shuttle walk test (ISWT) in a mixed cardiac rehabilitation population. DESIGN: Participants completed two 10m ISWTs in a single session in a repeated measures study. Ten participants completed a third 10m ISWT as part of a pilot study. SETTING: Hospital physiotherapy department. PARTICIPANTS: 62 adults aged a mean of 68 years (SD 10) referred to a cardiac rehabilitation program. MAIN OUTCOME MEASURES: Retest reliability of the 10m ISWT expressed as relative reliability and measurement error. Relative reliability was expressed in a ratio in the form of an intraclass correlation coefficient (ICC) and measurement error in the form of the standard error of measurement (SEM) and 95% confidence intervals for the group and individual. RESULTS: There was a high level of relative reliability over the two walks with an ICC of .99. The SEMagreement was 17m, and a change of at least 23m for the group and 54m for the individual would be required to be 95% confident of exceeding measurement error. CONCLUSIONS: The 10m ISWT demonstrated good retest reliability and is sufficiently reliable to be applied in practice in this population without the use of a practice test.
OBJECTIVES: To determine the retest reliability of the 10m incremental shuttle walk test (ISWT) in a mixed cardiac rehabilitation population. DESIGN:Participants completed two 10m ISWTs in a single session in a repeated measures study. Ten participants completed a third 10m ISWT as part of a pilot study. SETTING: Hospital physiotherapy department. PARTICIPANTS: 62 adults aged a mean of 68 years (SD 10) referred to a cardiac rehabilitation program. MAIN OUTCOME MEASURES: Retest reliability of the 10m ISWT expressed as relative reliability and measurement error. Relative reliability was expressed in a ratio in the form of an intraclass correlation coefficient (ICC) and measurement error in the form of the standard error of measurement (SEM) and 95% confidence intervals for the group and individual. RESULTS: There was a high level of relative reliability over the two walks with an ICC of .99. The SEMagreement was 17m, and a change of at least 23m for the group and 54m for the individual would be required to be 95% confident of exceeding measurement error. CONCLUSIONS: The 10m ISWT demonstrated good retest reliability and is sufficiently reliable to be applied in practice in this population without the use of a practice test.
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