Associations between manual muscle testing (MMT) and items of the modified score tool for the combined cohort (London and Brazil)
| Domain and item | Knee extensor MMT | Elbow flexion MMT | ||
|---|---|---|---|---|
| r* | p Value† | r* | p Value† | |
| Inflammatory domain | ||||
| CD3+ endomysial infiltration | −0.40 | 0.006 | −0.44 | 0.003 |
| CD3+ perimysial infiltration | −0.40 | 0.007 | −0.41 | 0.006 |
| CD68+ endomysial infiltration | −0.53 | 0.002 | −0.62 | <0.001 |
| Inflammatory domain total (modified) | −0.56 | 0.001 | −0.59 | <0.0001 |
| Muscle fibre domain | ||||
| Perifascicular atrophy | −0.30 | 0.040 | −0.40 | 0.006 |
| Neonatal myosin | −0.57 | 0.001 | −0.57 | <0.001 |
| Regeneration/degeneration/necrosis: perifascicular | −0.38 | 0.009 | −0.53 | 0.002 |
| Muscle fibre domain total (modified) | −0.45 | 0.002 | −0.60 | <0.0001 |
| Histopathologists’ Visual Analogue Score for severity | −0.45 | 0.002 | −0.62 | <0.0001 |
*Spearman's rank correlation coefficient.
†For test of independence.