Prevalence of various MRI structural lesions scored by central readers at the patient level
| Patients with at least one of the following types of lesions | Reader 1, N (%) | Reader 2, N (%) | Agreement of both central readers*, N (%) | Mean of the two central readings†, N (%) |
|---|---|---|---|---|
| Any type of lesions | 277 (41.7) | 348 (52.4) | 193 (29.1) | 349 (52.6) |
| Erosions | 82 (12.3) | 256 (38.6) | 62 (9.3) | 214 (32.2) |
| Fatty lesions | 162 (24.4) | 186 (28) | 97 (14.6) | 194 (29.2) |
| Ankylosis (partial or total) | 122 (18.4) | 172 (25.9) | 39 (5.9) | 161 (24.2) |
*Number of patients with at least one lesion scored by both readers.
†Number of patients with at least one lesion based on the mean score of the two central readers.