From: Gait mechanics in patients with chronic obstructive pulmonary disease
 | Control mean (SD) n = 21 |  | COPD mean (SD) n = 17 | P |
---|---|---|---|---|
Gender (n) | Male = 10 |  | Male = 11 |  |
Age (years) | 65.33 (7.67) | Â | 63.77 (8.55) | 0.56 |
Height (cm) | 165.89 (16.43) | Â | 171.97 (11.79) | 0.21 |
Weight (kg) | 78.85 (18.08) | Â | 90.58 (25.62) | 0.11 |
FEV 1 /FVC | 0.74 (0.04) | Â | 0.51 (0.16) | <0.001* |
FEV 1 % Predicted | 101.71 (11.00) | Â | 50.18 (21.0) | <0.001* |
Smoking History (n) | Â | Â | Â | Â |
Current Smoker | 2 | Â | 5 | Â |
Ex-Smoker | 7 | Â | 11 | Â |
Never Smoker | 12 | Â | 1 | Â |
 | Control Rest Mean (SD) | Control No Rest Mean (SD) | COPD Rest Mean (SD) | COPD No Rest Mean (SD) |
Speed (m/s) | 1.09 (0.16) | 1.07 (0.25) | 1.11 (0.17) | 1.15 (0.18) |
Step Length (m) | 0.66 (0.07) | 0.65 (0.09) | 0.66 (0.06) | 0.66 (0.06) |
Step Width (m) | 0.11 (0.03) | 0.11 (0.03) | 0.12 (0.04) | 0.11 (0.04) |
Step Time (sec) | 0.60 (0.06) | 0.62 (0.06) | 0.59 (0.06) | 0.58 (0.06) |
Stance Time (sec) | 0.70 (0.09) | 0.73 (0.08) | 0.70 (0.10) | 0.69 (0.09) |
Support Time (sec) | 0.11 (0.03) | 0.12 (0.02) | 0.12 (0.04) | 0.11 (0.03) |
Stride Length (m) | 1.32 (0.14) | 1.33 (0.17) | 1.31 (0.13) | 1.33 (0.13) |
Stride Time (seconds) | 1.19 (0.13) | 1.22 (0.12) | 1.18 (0.13) | 1.15 (0.11) |