Research Article
Impaired Economy of Gait and Decreased Six-Minute Walk Distance in Parkinson's Disease
Table 1
Subject characteristics, disease severity, and physical performance measures.
| | Parameter (*) | Mean ± SD | Range |
| | Age (years) | 65.1 ± 10.7 | 42 to 86 | | UPDRS total | 47.2 ± 14 | 15 to 96 | | UPDRS motor | 32.4 ± 10.2 | 11 to 66 | | Hoehn and Yahr stage | 2.2 ± 0.4 | 1.5 to 3.0 | | Hoehn and Yahr Stage 1.5 | (1%) | — | | Hoehn and Yahr Stage 2.0 | (77%) | — | | Hoehn and Yahr Stage 2.5 | (6%) | — | | Hoehn and Yahr Stage 3.0 | (15%) | — | | Body mass index (kg/m2) | 28.1 ± 4.9 | 18.0 to 41.6 | | VO2 peak (mL/kg/min) | 22.4 ± 4.8 | 12.6 to 37.4 | | Submaximal VO2 (mL/kg/min) | 13.0 + 3.3 | 5.1 to 21.6 | | Walking speed (mph) | 2.31 ± 0.59 | 1.0 to 3.8 | | 6 min walk distance (meters) | 424 ± 106 | 122 to 695 |
|
|
*6-min walk performed in 75 subjects.
|
