Interrater reliability for each organ system
| MDI ICC (95% CI) | MYODAM ICC (95% CI) | |
|---|---|---|
| Muscle | 0.732 (0.625 to 0.811) | 0.706 (0.592 to 0.793) |
| Skeletal | 0.757 (0.659 to 0.830) | 0.792 (0.704 to 0.855) |
| Cutaneous | 0.674 (0.549 to 0.768) | 0.826 (0.750 to 0.880) |
| Gastrointestinal | 0.562 (0.409 to 0.683) | 0.575 (0.425 to 0.693) |
| Pulmonary | 0.858 (0.793 to 0.903) | 0.870 (0.813 to 0.911) |
| Cardiac | 0.543 (0.387 to 0.668) | 0.647 (0.515 to 0.748) |
| Peripheral vascular damage | 0.544 (0.387 to 0.669) | 0.195 (0.003 to 0.373) |
| Endocrine | 0.720 (0.608 to 0.803) | 0.648 (0.516 to 0.749) |
| Ocular | 0.735 (0.629 to 0.814) | 0.799 (0.715 to 0.860) |
| Infection | 0.734 (0.626 to 0.813) | 0.784 (0.695 to 0.850) |
| Malignancy | 1.0 | 0.441 (0.267 to 0.586) |
| Global VAS | – | 0.782 (0.692 to 0.841) |
| Total | 0.837 (0.767 to 0.888) | 0.831 (0.758 to 0.883) |
ICC, intraclass correlation coefficient; MDI, myositis damage index; MYODAM, myositis damage score; VAS, visual analogue scale.