−3 to +3, −4 to +4, and −5 to +5 LDA responsiveness of medial and lateral tibiofemoral compartments, medial femoral, and tibial osteophyte sites, and TFJ and PFJ summated osteophyte scores (four sites)
| Mean change | SRM | δ* | 95% CI for δ | |
|---|---|---|---|---|
| (SD of change) | (SE(δ*)) | |||
| Mean change in grade, standard deviation of change, SRM, jack-knife estimates of SRM (δ*), standard error of jack-knife estimate of population mean (SE(δ*)), and 95% confidence interval for population SRM. | ||||
| Medial TFJ JSW | ||||
| −3 to +3 LDA | 0.79 (1) | 0.79 | 1.57 (0.15) | 1.27 to 1.87 |
| −4 to +4 LDA | 0.99 (1.19) | 0.83 | 1.63 (0.18) | 1.28 to 1.98 |
| −5 to +5 LDA | 1.06 (1.35) | 0.78 | 1.55 (0.16) | 1.23 to 1.87 |
| Lateral TFJ JSW | ||||
| −3 to +3 LDA | 0.21 (0.89) | 0.23 | 0.46 (0.12) | 0.23 to 0.69 |
| −4 to +4 LDA | 0.19 (1.04) | 0.18 | 0.37 (0.12) | 0.14 to 0.60 |
| −5 to +5 LDA | 0.46 (1.51) | 0.30 | 0.60 (0.12) | 0.37 to 0.83 |
| Medial femoral osteophyte | ||||
| −3 to +3 LDA | 0.43 (0.68) | 0.63 | 1.2 (0.17) | 0.90 to 1.57 |
| −4 to +4 LDA | 0.54 (0.89) | 0.61 | 1.2 (0.14) | 0.94 to 1.48 |
| −5 to +5 LDA | 0.69 (0.95) | 0.73 | 1.44 (0.13) | 1.18 to 1.71 |
| Medial tibial osteophyte | ||||
| −3 to +3 LDA | 0.34 (0.66) | 0.51 | 1.02 (0.12) | 0.79 to 1.24 |
| −4 to +4 LDA | 0.43 (0.85) | 0.50 | 0.99 (0.12) | 0.75 to 1.23 |
| −5 to +5 LDA | 0.25 (0.85) | 0.29 | 0.58 (0.13) | 0.33 to 0.83 |
| TFJ summated osteophyte score (4 sites) | ||||
| −3 to +3 LDA | 1.25 (1.67) | 0.75 | 1.49 (0.12) | 1.24 to 1.73 |
| −4 to +4 LDA | 1.54 (2.01) | 0.77 | 1.52 (0.14) | 1.25 to 1.79 |
| −5 to +5 LDA | 1.32 (2.25) | 0.59 | 1.16 (0.13) | 0.91 to 1.41 |
| PFJ summated osteophyte score (4 sites) | ||||
| −3 to +3 LDA | 0.72 (1.56) | 0.46 | 0.91 (0.16) | 0.61 to 1.22 |
| −4 to +4 LDA | 0.64 (1.97) | 0.32 | 0.64 (0.17) | 0.31 to 0.97 |
| −5 to +5 LDA | 0.56 (2.36) | 0.23 | 0.46 (0.16) | 0.14 to 0.79 |