Table 3. Results of comparisons between WOMAC domains and total WOMAC score, Lequesne score, and use of knee brace between the evaluation periods and the 6MWT score between the groups.
| Variable | Comparison | Mean difference | Standard error | gf | P-value | CI (95%) | ||
|---|---|---|---|---|---|---|---|---|
| Lower | Upper | |||||||
| Pain | Pre and | 1 month | 2.20 | 0.44 | 1 | <0.001 | 1.15 | 3.25 |
| Pre and | 3 months | 2.28 | 0.57 | 1 | <0.001 | 0.93 | 3.64 | |
| 1 month and | 3 months | 0.08 | 0.45 | 1 | >0.999 | -0.99 | 1.16 | |
| Stiffness | Pre and | 1 month | 0.96 | 0.26 | 1 | 0.001 | 0.34 | 1.58 |
| Pre and | 3 months | 0.68 | 0.32 | 1 | 0.107 | -0.09 | 1.45 | |
| 1 month and | 3 months | -0.29 | 0.26 | 1 | 0.834 | -0.92 | 0.35 | |
| Function | Pre and | 1 month | 7.08 | 1.43 | 1 | <0.001 | 3.66 | 10.49 |
| Pre and | 3 months | 6.09 | 1.88 | 1 | 0.004 | 1.59 | 10.60 | |
| 1 month and | 3 months | -0.98 | 1.46 | 1 | >0.999 | -4.48 | 2.51 | |
| Total WOMAC score | Pre and | 1 month | 9.88 | 1.84 | 1 | <0.001 | 5.47 | 14.28 |
| Pre and | 3 months | 9.19 | 2.44 | 1 | 0.001 | 3.34 | 15.03 | |
| 1 month and | 3 months | -0.69 | 1.88 | 1 | >0.999 | -5.20 | 3.82 | |
| Lequesne score | Pre and | 1 month | 2.44 | 0.46 | 1 | <0.001 | 1.33 | 3.55 |
| Pre and | 3 months | 1.71 | 0.61 | 1 | 0.015 | 0.25 | 3.17 | |
| 1 month and | 3 months | -0.73 | 0.48 | 1 | 0.379 | -1.86 | 0.41 | |
| 6MWT (meters) | Control and | Study | -43.17 | 19.41 | 1 | 0.026 | -81.22 | -5.12 |
| Use of knee brace (hours) | 1 month and | 3 months | -137.03 | 27.53 | 1 | <0.001 | -190.99 | -83.07 |
Bonferroni's multiple comparisons