Baseline characteristics of radiologic and ultrasound findings in enrolled subjects
| Variable | Value |
|---|---|
| Radiographic findings | |
| K-L grade | |
| Grade I | 27 (40.9) |
| Grade II | 19 (28.8) |
| Grade III | 11 (16.7) |
| Grade IV | 9 (13.6) |
| Total radiographic severity score (0∼80) | 5.0 (2.0∼14.0) |
| Number of affected joints | 4.0 (2.0∼8.0) |
| Ultrasound findings | |
| Synovitis | 10 (15.2) |
| Effusion | 35 (53.0) |
| Osteophyte | 66 (100.0) |
Data were described as number (%) or median (interquartile range). K-L grade: Kellgren-Lawrence grade.