Background: The timed 25-foot walk (T25FW) is widely used as a clinic performance measure, but has yet to be directly validated against gait speed in the home environment. Objectives: To develop an ac
We use rank-order correlation coefficients (Kendall’s τ and Spearman’s ρ) to assess whether the scores are correlated to the ratings. Significance tests rule out the null hypothesis that the correlati
