Table 2. Means and standard deviations for each cohort tested and comparative values of previously collected data.
| N | Age (yrs) | BMI (kg/m2) | Velocity (m/s) | Recovery (%) | Congruity (%) | Energy Difference (J) | |
|---|---|---|---|---|---|---|---|
| Knee OA | 82 | 59.57±10.96 | 32.69±4.78 | 1.04±0.18 | 55.64±10.52 | 16.35±8.82 | -3.24±3.48 |
| Preferred Speed | (57.17,61.98) | (31.64,33.74) | (0.99,1.08) | (53.33,57.96) | (14.41,18.29) | (-4.01,-2.48) | |
| Knee OA | 70 | 58.61±11.05 | 32.98±4.71 | 1.38±0.28 | 54.06±10.90 | 15.99±9.75 | -0.46±3.54 |
| Fast Speed | (55.98,61.25) | (31.86,34.10) | (1.31,1.44) | (51.46,56.67) | (13.66,18.32) | (-1.30,0.39) | |
| Mian et. Al6 Old | 20 | 74.0±3.4 | 26.06 | 1.25±0.32 | 63.2±3.1 | - | - |
| Preferred Speed | - | - | - | - | - | - | |
| Mian et. al6 Young | 12 | 26.6±3.3 | 25.12 | 1.25±0.32 | 60.9±2.8 | - | - |
| Preferred Speed | - | - | - | - | - | - | |
| Healthy Controls | 13 | 49.77±7.46 | 26.26±8.67 | 1.38±0.22 | 65.45±3.20 | 10.33±3.58 | -2.47±2.71 |
| Preferred Speed | (45.26,54.28) | (21.02,31.50) | (1.24,1.51) | (63.50,67.40) | (8.17,12.49) | (-4.11,-0.83) | |
|
| |||||||
| p=0.0027* | p<0.0001* | p<0.0001* | p=0.0018* | p=0.0257* | p=0.457 | ||
*
significant differences: p values represent independent t-test differences between the knee OA preferred speed means and the healthy controls preferred speed means
Values are reported as mean ± sd and (95% confidence intervals)