Modulation of Physical Activity to Optimize Pain Sensation following an Intra-Articular Corticosteroid Injection in Patients with Knee Osteoarthritis
Table 2
Global and affected limb gait parameters before and after injection: Means (SD).
Parameter
Before
2 weeks after
4 weeks after
6 weeks after
value
Effect size
Observed power
Velocity (m/s−1)
1.11 (.24)
1.21 (.17)*
1.20 (.19)†
1.21 (.20)‡
<0.01
0.29
0.87
Cycle time (s)
1.17 (.16)
1.12 (.15)
1.11 (.13)†
1.11 (.15)‡
<0.05
0.25
0.80
Cadence (step·min−1)
104 (14)
109 (13)*
110 (12)†
110 (13)‡
<0.05
0.28
0.85
Stride length (m)
1.28 (.17)
1.34 (.14)*
1.32 (.15)
1.32 (.14)
0.02
0.24
0.76
Walking base (cm)
9.8 (2.5)
8.9 (1.9)
9.3 (2.1)
9.0 (1.7)
0.13
0.14
0.47
Significant difference between before and 2 weeks after injection. †Significant difference between before and 4 weeks after injection. ‡Significant difference between before and 6 weeks after injection.
