Characteristics of the patients. Values are mean ± standard deviation except for sex.
| Controls | Osteoarthritis | p | ||||
|---|---|---|---|---|---|---|
| K-L grade | 1 | 2 | 3 | 4 | 2, 3, 4 | |
| No. | 15 | 42 | 41 | 41 | 124 | |
| Age, yrs | 69.7 ± 11.5 | 72.3 ± 12.3 | 73.8 ± 6.9 | 74.5 ± 7.0 | 73.5 ± 9.1 | 0.1571 |
| Sex female, % | 47 | 60 | 88 | 76 | 74 | 0.0543 |
| BMI, kg/m2 | 23.1 ± 3.0 | 23.1 ± 2.3 | 24.1 ± 2.8 | 25.9 ± 5.1 | 24.4 ± 3.8 | 0.3419 |
K-L: Kellgren and Lawrence grade; BMI: body mass index.