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This study presents a Bland-Altman plot comparing changes in participants' brisk speed while walking on level ground versus a treadmill at the same set speed on day 1. The solid line represents the mean difference between the two measures, with dotted lines indicating the 95% confidence interval (CI) around the mean agreement. Outliers above and below the CI were identified. Conducted by Paul Hendrick, MPhty, et al.
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Bland-Altman plot of changes in participants’ brisk speed (level-ground walking vs treadmill walking) at same set speed on day 1. Solid line indicates mean difference between two measures and dotted lines indicate 95% confidence interval (CI) (±1.96 standard deviation) about mean agreement. Data points above and below CI were considered outliers. Paul Hendrick, MPhty; et.al