Table 5.
Comparison of outcomes of KSS (knee score and function score) between binary groups.
| Variables | Before surgery | After surgery |
|
|---|---|---|---|
| 3 mo Postop. | 1 y Postop. | ||
| Knee score | |||
| Laser | 41.7 ± 11.6 | 95.7 ± 4.4 | 97.4 ± 3.0 |
| Light | 42.8 ± 12.5 | 80.7 ± 8.6 | 90.6 ± 6.1 |
| P value | .80 | <.001a | .02a |
| Control | 43.4 ± 8.2 | 73.6 ± 9.1 | 87.5 ± 7.6 |
| Laser | 41.7 ± 11.6 | 95.7 ± 4.4 | 97.4 ± 3.0 |
| P value | .64 | <.001a | .001a |
| Control | 43.4 ± 8.2 | 73.6 ± 9.1 | 87.5 ± 7.6 |
| Light | 42.8 ± 12.5 | 80.7 ± 8.6 | 90.6 ± 6.1 |
| P value | .87 | .036a | .59 |
| Function score | |||
| Laser | 42.0 ± 16.1 | 82.3 ± 6.8 | 89.9 ± 4.6 |
| Light | 42.0 ± 18.3 | 76.3 ± 8.4 | 87.0 ± 7.5 |
| P value | 1.0 | .04a | .37 |
| Control | 48.7 ± 18.8 | 69.0 ± 5.1 | 82.9 ± 6.1 |
| Laser | 42.0 ± 16.1 | 82.3 ± 6.8 | 89.9 ± 4.6 |
| P value | .56 | <.001a | .06 |
| Control | 48.7 ± 18.8 | 69.0 ± 5.1 | 82.9 ± 6.1 |
| Light | 42.0 ± 18.3 | 76.3 ± 8.4 | 87.0 ± 7.5 |
| P value | .56 | .02a | .58 |
a
Significant P value.