Differences in MRI synovitis and bone edema scores between DFPP group and no-DFPP group.
| Score Change from Baseline | ||||
|---|---|---|---|---|
| Synovitis | Edema | |||
| Month 1 | Month 6 | Month 1 | Month 6 | |
| DFPP group, n = 31, median (minimum, maximum) | 0 (−1, 0) | −7 (−9, −3) | 0 (−2, 1) | −6 (−24, −1) |
| No-DFPP group, n = 29, median (minimum, maximum) | 0 (0, 0) | 0 (−1, 2) | 0 (0, 0) | 1 (−2, 11) |
| p | 0.013 | 0.000 | 0.179 | 0.000 |
MRI: magnetic resonance imaging; DFPP: double filtration plasmapheresis.