Baseline Participant Knee Osteoarthritis Severity Scores
| Type of Score | Total (n = 326) | Intervention Group (n = 160) | Control Group (n = 166) | P Valuea |
|---|---|---|---|---|
| OA knee painb intensity, mean (SD) | 63.1 (17.4) | 62.6 (17.5) | 63.6 (17.4) | .636 |
| Kellgren–Lawrence Grade, No. (%) | .861 | |||
| 1 (Doubtful JSN, possible osteophytic lipping) | 78 (24.3%) | 38 (23.9%) | 40 (24.7%) | |
| 2 (Definite osteophytes, possible JSN on anteroposterior weight-bearing radiograph) | 153 (47.7%) | 80 (50.3%) | 73 (45.1%) | |
| 3 (Multiple osteophytes, definite JSN, sclerosis, possible bony deformity) | 78 (24.3%) | 36 (22.6%) | 42 (25.9%) | |
| 4 (Large osteophytes, marked JSN, severe sclerosis and definitely bony) | 12 (3.7%) | 5 (3.1%) | 7 (4.3%) | |
| Patella position, mean (SD) | 0.90 (0.24) | 0.91 (0.24) | 0.90 (0.24) | .751 |
| Degree of pain-free active knee flexion, mean (SD) | 124.0 (15.0) | 125.8 (12.4) | 124.1 (17.1) | .380 |