Table 1 Demographics of 3 cohorts
Characteristic | Knee OA (n = 100) | Hip OA (n = 50) | Control (n = 100) |
|---|---|---|---|
Gender (% female) | 46 | 42 | 75 |
Age (SD) | 60.2 (10.4) | 59.0 (9.5) | 40.0 (9.5) |
K/L 0 | 0 | 0 | 100 |
K/L 1 | 72 | 0 | 0 |
K/L 2 | 1 | 0 | 0 |
K/L 3 | 28 | 14 | 0 |
K/L 4 | 0 | 36 | 0 |
Serum Sample | 100 | 50 | 100 |
Synovial Fluid Sample | 8 | 14 | 15a |
Synovium Sample | 5 | 5 | 5a |