Characteristics of the participants at baseline
| Characteristics | Realignment to placebo (n=40) | Placebo to realignment (n=40) |
|---|---|---|
| Age (years), mean (SD) | 63 (10.8) | 60 (13.1) |
| Male sex, n (%) | 15 (37.5) | 15 (37.5) |
| Body mass index (kg/m2), mean (SD) | 32.7 (8.4) | 34.7 (10.8) |
| Kellgren–Lawrence grade ≥3, n (%) | 39 (97.5) | 40 (100) |
| Kellgren–Lawrence grade 2, n (%) | 1 (2.5) | 0 |
| Kellgren–Lawrence grade 3, n (%) | 25 (62.5) | 28 (70) |
| Kellgren–Lawrence grade 4, n (%) | 14 (35) | 12 (30) |
| Medial JSN grade 0, n (%) | 1 (2.5) | 0 |
| Medial JSN grade 1, n (%) | 9 (22.5) | 10 (25) |
| Medial JSN grade 2, n (%) | 14 (35) | 16 (40) |
| Medial JSN grade 3, n (%) | 16 (40) | 14 (35) |
| Anatomical axis (°) | 1.0 (3.9); median=1 | 0.7 (5.3); median=0 |
| Contralateral knee Kellgren–Lawrence grade ≥2, n (%) | 32 (80) | 30 (75) |
| WOMAC Pain score (0–20 scale), mean (SD) | 9.2 (3.4) | 9.1 (3.4) |
| WOMAC Function score (0–68 scale), mean (SD) | 33.3 (11.8) | 34.6 (10.3) |
JSN, joint space narrowing; WOMAC, Western Ontario and McMaster Universities Osteoarthritis Index.