Table II.
Changes and standardized score for change of the parameters assessing the synovium
| Variable name | Abbreviation | Baseline |
Follow-up |
Change at follow-up |
Change in standardized score at follow-up |
|---|---|---|---|---|---|
| Mean (SD) | Mean (SD) | Mean (95% CI) | Mean (95% CI) | ||
| Synovial tissue volume (mm3) | V | 9601 (5251) | 8119 (4353) | −1482 (−2137 to −827) | −0.30 (−0.52 to −0.09) |
| Relative enhancement rate (min−1) | RER | 0.048 (0.030) | 0.032 (0.020) | −0.016 (−0.021 to −0.011) | −0.61 (−0.82 to −0.39) |
| Late relative enhancement | RElate | 3.10 (1.37) | 2.35 (1.12) | −0.76 (−0.98 to −0.54) | −0.58 (−0.79 to −0.37) |
| Maximal relative enhancement | REmax | 3.51 (1.46) | 2.65 (1.17) | −0.86 (−1.09 to −0.63) | −0.62 (−0.83 to −0.41) |
| Extravascular extracellular volume | ve | 0.31 (0.22) | 0.22 (0.23) | −0.09 (−0.13 to −0.05) | −0.39 (−0.60 to −0.17) |
| Volume transfer coefficient (min−1) | Ktrans | 0.045 (0.033) | 0.029 (0.028) | −0.016 (−0.022 to −0.010) | −0.51 (−0.72 to −0.30) |
| KOOS pain subscale score | – | 46.75 (14.40) | 69.68 (18.99) | 22.93 (18.85–27.01) | −1.13 (−1.34 to −0.91)* |
NB: *The KOOS pain score runs from 100 (no pain) to 0 (extreme pain).