BME and structural lesions on MRI-spine of patients from the Devenir des Spondyloarthropathies Indifférenciées Récentes cohort over 5 years of follow-up
| Baseline mean (SD) (n=145) | 2 years’ mean (SD) (n=129) | 5 years’ mean (SD) (n=145) | Change over 5 years mean (SD) | P value* | ||
| BME lesions (scores) | ||||||
| Mean Berlin score† (0–69) | 0.6 (1.5) | 0.6 (1.2) | 0.7 (1.3) | 0.1 (1.7) | 0.43 | |
| Mean 23 DVU SPARCC score† (0–414) | 1.6 (4.1) | 1.7 (3.3) | 1.9 (3.7) | 0.3 (4.6) | 0.41 | |
| Structural lesions (scores) | ||||||
| Mean number of erosions†‡ (0–92) | 0.1 (0.2) | 0.1 (0.2) | 0.1 (0.2) | 0.0 (0.2) | 1.000 | |
| Mean number of bone spur†‡ (0–92) | 0.1 (0.3) | 0.2 (0.3) | 0.2 (0.4) | 0.1 (0.3) | 0.012 | |
| Mean number of fatty lesions†‡ (0–92) | 0.2 (0.7) | 0.3 (0.8) | 0.4 (1.0) | 0.1 (0.4) | 0.001 | |
| Mean number of fatty lesions and / or erosions (0–184) †‡ | 0.3 (0.8) | 0.3 (1.0) | 0.4 (1.1) | 0.2 (0.5) | <0.001 | |
| Mean total number of lesions§†‡ (0–322) | 0.4 (0.9) | 0.5 (1.1) | 0.6 (1.2) | 0.2 (0.6) | <0.001 | |
DVU, discovertebral unit.