Table 3 Patient-reported outcome measures and physical activity level
Baseline (± SD) | 3-month follow-up (± SD) | 6-month follow-up (± SD) | Mean change from baseline to 3 months (95% CI) | Mean change from 3 to 6 months (95% CI) | Mean change from baseline to 6 months (95% CI) | |
|---|---|---|---|---|---|---|
KOOS pain | 71 (± 13) | 70 (± 16) | 76 (± 14) | 1 (− 8; 9) | 6 (− 1; 10) | 5 (− 2; 11) |
KOOS symptom | 76 (± 11) | 77 (± 12) | 81 (± 11) | 0 (− 7; 6) | 4 (− 1; 7) | 5 (− 2; 11) |
KOOS activities of daily living | 79 (± 13) | 82 (± 14) | 87 (± 10) | 2 (− 5; 9) | 5 (0; 9) | 7 (0; 13) |
KOOS sport and recreation | 58 (± 19) | 62 (± 21) | 68 (± 21) | 4 (− 7; 14) | 6 (− 4;16) | 9 (1; 18) |
KOOS quality of life | 54 (± 12) | 59 (± 21) | 59 (± 21) | 4 (− 4;11) | 0 (− 10;10) | 4 (− 4; 12) |
Physical activity level (physical activity scale (METs)) | 45.0 (± 8.3) | 49.4 (± 10.7) | 55.4 (± 13.0) | 4.8 (− 1.8; 11.3) | 6.2 (− 1.1;13.6) | 10 (2; 19) |
Health-related quality of life (EQ5D index**) | 0.75 (0.72–0.78) | 0.78 (0.72–0.82) | 0.82 (0.72;0.84) | |||
Self-related health (EQ-VAS) | 76 (± 22) | 78 (± 15) | 78 (± 17) | − 1 (− 8; 9) | 0 (− 8; 8) | 1 (− 8; 6) |
Worst pain last week (VAS* worst) | 62 (± 19) | 51 (± 27) | 48 (± 27) | − 10 (− 22; 3) | − 3 (− 14; 8) | − 13 (− 27; 1) |
Pain during activity (VAS* activity) | 56 (± 19) | 37 (± 26) | 37 (± 22) | − 18 (− 30; 6) | − 1 (− 7; 5) | − 19 (− 30; − 8) |