Muscle groups showing myofascial lesions by magnetic resonance imaging at baseline (Week 0) and 12 weeks after tocilizumab therapy initiation.
| Muscle Group | Week 0, n (%) | Week 12, n (%) | |
|---|---|---|---|
| Shoulders | Right | 9 (64.2) | 7 (46.7) |
| Left | 8 (57.1) | 5 (33.3) | |
| Total | 17 (60.7) | 12 (40.0) | |
| Hips | Right | 13 (86.7) | 4 (26.7) |
| Left | 13 (86.7) | 5 (33.3) | |
| Total | 26 (86.7) | 9 (30.0) | |
| Ischial tuberosities | Right | 8 (53.3) | 0 (0.0) |
| Left | 7 (46.7) | 0 (0.0) | |
| Total | 15 (50.0) | 0 (0.0) | |
| Pubic symphysis | Total | 12 (80.0) | 3 (20.0) |