Effusion area (mm2) | Total
N = 254 | KLG 2
N = 180 | KLG 3
N = 57 | KLG 4
N = 17 |
---|
Average value | 49.6 ± 52.4 | 39.2 ± 40.2 | 69.5 ± 59.3*
| 93.0 ± 91.3*
|
95 % CI | 43.1, 56.1 | 33.3, 45.1 | 53.8, 85.3 | 46.0, 140.0 |
- Statistical analysis was by analysis of variance (Tukey post-hoc test); *
P ≤ 0.01 compared to Kellgren-Lawrence grade (KLG) 2. The effusion area of each knee joint was measured (n = 254 knees). CI confidence interval