Table 2.
Patient Reported Outcomes at Baseline, 6 Months, and 24 Monthsa
| Baseline | 6 Month | 24 Month | |||||||
|---|---|---|---|---|---|---|---|---|---|
| FL | AL | P value | FL | AL | P value | FL | AL | P value | |
| KOOS Symptoms | 51.5 ± 15.5 | 54.5 ± 15.9 | .595 | 71.1 ± 16.6 | 71.4 ± 15.1 | .560 | 79.1 ± 18.5 | 80.6 ± 13.9 | 0.808 |
| KOOS Pain | 62.0 ± 11.9 | 61.3 ± 21.3 | .919 | 77.5 ± 15.3 | 83.8 ± 11.1 | .239 | 91.0 ± 5.3 | 89.3 ± 13.0 | 0.738 |
| KOOS ADL | 70.5 ± 12.0 | 71.7 ± 18.9 | .858 | 85.9 ± 14.5 | 92.2 ± 9.3 | .165 | 97.8 ± 2.1 | 95.6 ± 5.7 | 0.149 |
| KOOS Sport | 21.7 ± 17.8 | 26.3 ± 22.0 | .533 | 61.7 ± 24.1 | 63.2 ± 19.3 | .847 | 79.4 ± 22.3 | 80.3 ± 20.4 | 0.921 |
| KOOS QOL | 31.6 ± 16.8 | 35.4 ± 18.2 | .549 | 50.3 ± 26.0 | 67.4 ± 14.5 | .032 | 75.8 ± 18.7 | 74.0 ± 18.4 | 0.823 |
| Marx Activity | 11.3 ± 5.0 | 12.7 ± 3.7 | .379 | 7.7 ± 5.3 | 9.3 ± 5.6 | .485 | 6.0 ± 5.5 | 6.5 ± 4.1 | 0.785 |
| EQ5D | 80.1 ± 14.0 | 82.3 ± 13.1 | .644 | 77.1 ± 14.8 | 85.2 ± 9.1 | .082 | 77.8 ± 9.1 | 84.8 ± 9.6 | 0.165 |
| SF-36 PCS | 38.5 ± 13.4 | 42.1 ± 11.7 | .450 | 47.4 ± 7.8 | 50.5 ± 6.1 | .237 | 55.7 ± 4.8 | 56.9 ± 4.6 | 0.569 |
| SF-36 MCS | 57.7 ± 6.0 | 56.1 ± 7.1 | .547 | 54.1 ± 6.3 | 54.7 ± 6.3 | .818 | 50.9 ± 6.3 | 52.5 ± 5.6 | 0.506 |
aReported as mean ± SD; P values calculated using independent samples t-tests. ADL = activities of daily living. QOL = quality of life. PCS = physical component summary. MCS = mental component summary