Table 4.
Peak Medial, Lateral and Total contact loads (at 1st peak knee adduction moment during the 1st half of stance and 2nd peak knee adduction moment during the 2nd half of stance) for Osteoarthritis (n = 16) and Control (n = 12) subjects.
| Variables* | C | OA | C | OA | C | OA |
|---|---|---|---|---|---|---|
| in BWs | In Newton | In % Total | ||||
| At 1st peak KAM during the 1st half of stance | ||||||
| Medial Load | 2.37 (2.12, 2.61) | 2.57 (2.24, 2.90) | 1860 (1615, 2104) | 2108 (1837, 2380) | 66.0 (60.3, 71.6) | 74.5 (67.8, 81.1) |
| p-value | 0.187 | 0.014 | 0.058 | |||
| Lateral Load | 1.30 (0.95, 1.65) | 0.93 (0.67, 1.18) | 1001 (750, 1251) | 792 (556, 1028) | 34.0 (28.2, 39.7) | 25.5 (18.9, 32.1) |
| p-value | 0.666 | 0.726 | 0.058 | |||
| Total Load | 3.67 (3.16, 4.17) | 3.50 (3.06, 3.93) | 2860 (2445, 3276) | 2901 (2472, 3329) | ||
| p-value | 0.952 | 0.173 | ||||
| At 2nd peak KAM during the 2nd half of stance | ||||||
| Medial Load | 1.80 (1.44, 2.16) | 2.07 (1.80, 2.34) | 1369 (1184,1553) | 1702 (148, 1928) | 81.9 (75.5, 88.3) | 89.6 (82.7, 96.5) |
| p-value | 0.201 | 0.110 | 0.101 | |||
| Lateral Load | 0.45 (0.19, 0.70) | 0.12 (−0.21, 0.46) | 320 (179, 462) | 89 (−205, 383) | 18.1 (11.7, 24.5) | 10.4 (3.5, 17.3) |
| p-value | 0.093 | 0.162 | 0.101 | |||
| Total Load | 2.24 (1.69, 2.80) | 2.20 (1.80, 2.60) | 1689 (1432, 1946) | 1792 (1468, 2117) | ||
| p-value | 0.362 | 0.965 | ||||
*
Mean (95 % Confidence intervals)
**
adjusted for walking speed
BW = Body Weight, OA = Osteoarthritis, KAM = Knee Adduction Moment