Table 1 Demographic Characteristics of the Study Sample
| Â | Mean/N | SD / % | |
|---|---|---|---|
Age | (years) | 66.6 | 7.1 |
BMI | (kg/m2) | 28.1 | 5.3 |
Side | Left | 123 | 42.6 |
Right | 166 | 57.4 | |
Sex | Female | 223 | 77.2 |
Male | 66 | 22.8 | |
Kellgren-Lawrence Grade | 0 | 52 | 18.0 |
1 | 77 | 26.6 | |
2 | 65 | 22.5 | |
3 | 84 | 29.1 | |
4 | 11 | 3.8 | |
Medial joint space narrowing (3 missing) | 0 | 151 | 52.2 |
1 | 75 | 26.0 | |
2 | 40 | 13.8 | |
3 | 20 | 6.9 | |
Lateral joint space narrowing (3 missing) | 0 | 242 | 83.7 |
1 | 24 | 8.3 | |
2 | 17 | 5.9 | |
3 | 3 | 1.0 | |
Radiographic osteoarthritis | No | 129 | 44.6 |
Yes | 160 | 55.4 | |