Table 6 Relationship between KOOS sub-score and Ahlbäck grade
Ahlbäck grade | KOOS domains | Preoperative KOOS | Postoperative 2-year KOOS |
|---|---|---|---|
1 | Symptoms | 45.6 ± 13.0 | 85.4 ± 7.8 |
Pain | 40.1 ± 19.9 | 90.3 ± 6.7 | |
ADL | 58.3 ± 22.3 | 93.8 ± 6.1 | |
Sports | 18.9 ± 13.1 | 74.0 ± 14.6 | |
QOL | 22.2 ± 11.5 | 78.8 ± 20.6 | |
Total | 185.2 ± 46.6 | 420.2 ± 42.9 | |
2 | Symptoms | 40.8 ± 18.0 | 79.9 ± 14.1 |
Pain | 41.0 ± 18.6 | 87.4 ± 9.7 | |
ADL | 55.1 ± 17.2 | 89.6 ± 9.6 | |
Sports | 16.5 ± 16.5 | 64.7 ± 24.4 | |
QOL | 28.5 ± 16.4 | 72.0 ± 21.4 | |
Total | 182.0 ± 70.4 | 393.9 ± 67.3 | |
3 | Symptoms | 45.8 ± 21.2 | 76.6 ± 16.8 |
Pain | 43. 3 ± 20.0 | 79.0 ± 18.0 | |
ADL | 56. 3 ± 18.5 | 84.1 ± 14.1 | |
Sports | 19.0 ± 17.4 | 50.8 ± 28.4 | |
QOL | 28.0 ± 16.8 | 63.1 ± 24.2 | |
Total | 192.5 ± 79.1 | 350.0 ± 79.9* | |
4 | Symptoms | 47.3 ± 9.2 | 78.6 ± 14.6 |
Pain | 31.2 ± 18.3 | 78.7 ± 7.0 | |
ADL | 45.6 ± 11.2 | 90.2 ± 5.5 | |
Sports | 22.5 ± 10.3 | 68.3 ± 9.4 | |
QOL Total | 25.0 ± 11.7 171.7 ± 38.2 | 81.2 ± 13.5 317.9 ± 78.3*† |