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Evolution of the severity categories along visits
| V1 | V2 | V3 | |
|---|---|---|---|
| No. of patients (%) | No. of patients (%) | No. of patients (%) | |
| Absence of FM | 1 (0.4) | 18 (11.3) | 12 (13.3) |
| Mild | 46 (18.7) | 23 (14.5) | 20 (22.2) |
| Moderate | 80 (32.5) | 76 (47.8) | 30 (33.3) |
| Severe | 119 (48.4) | 42 (26.4) | 28 (31.1) |
