Table 3A.
Weighted means and standard errors for KOOS scores.
| Pain |
Symptoms |
ADL |
Sports |
QOL |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Time | WM | SE | WM | SE | WM | SE | WM | SE | WM | SE |
| Preoperative | 56.77 | 2.47 | 57.37 | 3.36 | 67.39 | 2.50 | 32.12 | 3.38 | 41.58 | 2.00 |
| 2–3 months | 75.26 | 4.10 | 79.41 | 4.17 | 87.96 | 2.50 | 56.85 | 5.07 | 53.31 | 3.24 |
| 6 months∗ | 81.57 | 5.85 | 89.00 | 10.85 | 84.00 | 8.48 | 70.00 | 32.11 | 69.00 | 9.64 |
| 1 year | 76.93 | 4.13 | 74.95 | 6.12 | 82.11 | 4.23 | 50.80 | 7.03 | 57.98 | 3.97 |
| 2 years | 82.02 | 4.20 | 75.55 | 4.64 | 85.97 | 2.88 | 57.13 | 3.85 | 74.43 | 3.00 |
ADL, activities of daily living; KOOS, Knee Injury and Osteoarthritis Outcome Score; QOL, quality of life; SE, standard error; WM, weighted mean.
∗
For all but the pain score, the results come from only one group of patients. This may lead to skewed means and large standard errors.