Table 2.
Course of knee symptoms evaluated by knee injury and osteoarthritis outcome score
| KOOS | CS – (N = 249) | CS + (N = 48) | P-value | |
|---|---|---|---|---|
| Baseline | Symptom | 86.7 ± 15.7 | 84.2 ± 15.6 | 0.087 |
| Pain | 88.5 ± 15.5 | 85.3 ± 17.2 | 0.134 | |
| QOL | 75.9 ± 24.2 | 70.3 ± 25.6 | 0.089 | |
| ADL | 93.9 ± 10.6 | 90.3 ± 14.3 | 0.043* | |
| Sports | 84.1 ± 22.8 | 77.2 ± 26.1 | 0.049* | |
| 1-year | Symptom | 83.7 ± 17.1 | 83.0 ± 14.6 | 0.343 |
| Pain | 87.3 ± 16.0 | 85.5 ± 17.4 | 0.374 | |
| QOL | 73.3 ± 25.1 | 71.5 ± 25.4 | 0.551 | |
| ADL | 93.3 ± 12.3 | 90.2 ± 14.7 | 0.180 | |
| Sports | 81.9 ± 24.0 | 77.8 ± 30.7 | 0.840 | |
| Follow-up | ΔSymptom | − 3.0 ± 13.1 | − 1.2 ± 15.3 | 0.147 |
| ΔPain | − 1.2 ± 12.1 | 0.2 ± 14.3 | 0.323 | |
| ΔQOL | − 2.6 ± 19.0 | 1.2 ± 15.5 | 0.277 | |
| ΔADL | − 0.6 ± 10.2 | − 0.1 ± 13.8 | 0.249 | |
| ΔSports | − 2.3 ± 17.7 | 0.6 ± 22.9 | 0.418 |
The values are presented by mean ± SD. Statistical analysis: chi-square test and Mann–Whitney U test. (*P ≤ 0.05); CS central sensitization (defined as ≥ 10 points in the CS inventory-9)