Characteristic | All patients (n = 141) | Second opinion: Knee arthroplasty recommended (n = 57) | Second opinion: Knee arthroplasty currently not recommended (n = 84) |
---|---|---|---|
n (%) or mean ± SD | n (%) or mean ± SD | n (%) or mean ± SD | |
Health Status | |||
Kellgren-Lawrence scorea (n = 141) | |||
1 | 7 (5%) | 0 (0%) | 7 (8%) |
2 | 26 (18%) | 2 (4%) | 24 (29%) |
3 | 69 (49%) | 30 (53%) | 39 (46%) |
4 | 39 (28%) | 25 (44%) | 14 (17%) |
KOOSb scores | |||
Symptoms (n = 138) | 46.5 ± 19.6 | 53.8 ± 17.2 | 49.6 ± 17.6 |
Pain (n = 136) | 51.3 ± 17.5 | 49.3 ± 20.5 | 44.8 ± 19.0 |
Activities of daily living (n = 141) | 44.6 ± 19.1 | 48.7 ± 19.2 | 41.8 ± 18.5 |
Sport and recreation (n = 127) | 72.8 ± 21.3 | 78.5 ± 18.4 | 68.9 ± 22.3 |
Quality of life (n = 140) | 71.4 ± 15.9 | 75.2 ± 14.0 | 68.8 ± 16.7 |
EQ-5D scoresc | |||
Visual analogue scale (n = 136) | 60.1 ± 18.8 | 57.4 ± 18.4 | 61.9 ± 19.1 |
Index (n = 136) | 0.64 ± 0.27 | 0.59 ± 0.29 | 0.68 ± 0.26 |
Previous treatment | |||
Exercise therapyd | 96 (76%) | 43 (83%) | 53 (72%) |
Attempt to lose weight | 9 (7%) | 4 (8%) | 5 (7%) |
Pain medication | |||
None | 34 (24%) | 14 (25%) | 20 (24%) |
On demand | 68 (48%) | 23 (40%) | 45 (54%) |
Regularly | 39 (28%) | 20 (35%) | 19 (23%) |
Knee surgery | 83 (59%) | 33 (58%) | 50 (60%) |
Knee injection | 51 (36%) | 21 (37%) | 30 (36%) |