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Treadmill training provides greater benefit to the subgroup of community-dwelling people after stroke who walk faster than 0.4m/s: a randomised trial [with consumer summary]
Dean CM, Ada L, Lindley RI
Journal of Physiotherapy 2014 Jun;60(2):97-101
clinical trial
7/10 [Eligibility criteria: No; Random allocation: Yes; Concealed allocation: Yes; Baseline comparability: No; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: Yes; Intention-to-treat analysis: Yes; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

QUESTION: After stroke, does treadmill training provide greater benefit to the subgroup of community-dwelling people who walk faster than 0.4m/s than those who walk more slowly? DESIGN: Subgroup analysis of a randomised trial: the AMBULATE trial. PARTICIPANTS: 68 people with stroke living in the community. Intervention: The experimental group received 30 minutes of treadmill and overground walking, three times a week for four months; the control group received no intervention. OUTCOME MEASURES: The primary outcome was walking distance covered during the six-minute walk test. Other outcomes were comfortable and fast walking speed and health status. RESULTS: At four months, in the subgroup of participants with a baseline comfortable walking speed of > 0.4m/s, treadmill training produced an extra distance of 72m (95% CI 23 to 121) and an increased comfortable speed of 0.16m/s (95% CI 0.00 to 0.32), compared with the subgroup with a speed of <= 0.4m/s. There was also a trend towards an extra fast speed of 0.17m/s (95% CI -0.04 to 0.36). There was no extra effect of treadmill training in the faster walkers in terms of EuroQol 5Q-5D. There were no differences between the experimental and control groups between subgroups in the long term. CONCLUSION: Treadmill training is more likely to benefit people who walk at a speed of > 0.4m/s. Clinicians should use comfortable walking speed to predict the potential for improvement and to guide intervention. TRIAL REGISTRATION: ACTRN12607000227493.

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