| MRI 0 (baseline) | MRI 1 (year 1) | CR 0 (baseline) | CR 1 (year 1) | CR 2 (year 2) | CR 3 (year 3) | CR 4 (year 4) | CR 5 (year 5) | |
|---|---|---|---|---|---|---|---|---|
| Number of bones with erosions | 89 | 108 | 19 | 28 | 32 | 44 | 47 | 57 |
| % of erosions at MRI 0 | - | - | 21% | 31% | 36% | 49% | 53% | 64% |
CR: conventional radiography; MRI: magnetic resonance imaging.