Oxygen Cost of Walking in Persons with Multiple Sclerosis: Disability Matters, but Why?

Figure 2

Scatter plots of oxygen cost of walking (mL/kg/m) and (a) fatigue, (b) gait velocity (cm/s), (c) cadence (steps/min), and (d) step length (cm) along with lines of best fit and 95% confidence intervals in 82 persons with multiple sclerosis.

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