### Abstract

We investigated the relationships between average gait speed collected with the 10 Meter Walk Test (Comfortable and Fast) and 6 Minute Walk Test (6MWT) in 346 people with Parkinson disease (PD) and how the relationships change with increasing disease severity. Pearson correlation and linear regression analyses determined relationships between 10 Meter Walk Test and 6MWT gait speed values for the entire sample and for sub-samples stratified by Hoehn & Yahr (H&Y) stage I (n = 53), II (n = 141), III (n = 135) and IV (n = 17). We hypothesized that redundant tests would be highly and significantly correlated (i.e. r > 0.70, p < 0.05) and would have a linear regression model slope of 1 and intercept of 0. For the entire sample, 6MWT gait speed was significantly (p < 0.001) related to the Comfortable 10 Meter Walk Test (r = 0.75) and Fast 10 Meter Walk Test (r = 0.79) gait speed, with 56% and 62% of the variance in 6MWT gait speed explained, respectively. The regression model of 6MWT gait speed predicted by Comfortable 10 Meter Walk gait speed produced slope and intercept values near 1 and 0, respectively, especially for participants in H&Y stages II–IV. In contrast, slope and intercept values were further from 1 and 0, respectively, for the Fast 10 Meter Walk Test. Comfortable 10 Meter Walk Test and 6MWT gait speeds appeared to be redundant in people with moderate to severe PD, suggesting the Comfortable 10 Meter Walk Test can be used to estimate 6MWT distance in this population.

Original language | English |
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Pages (from-to) | 178-182 |

Number of pages | 5 |

Journal | Gait and Posture |

Volume | 52 |

DOIs | |

State | Published - Feb 1 2017 |

### Keywords

- Endurance
- Gait
- Outcome measures
- Parkinson disease

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## Cite this

*Gait and Posture*,

*52*, 178-182. https://doi.org/10.1016/j.gaitpost.2016.11.033