Table 2.
Skeletal muscle fat fraction (%) in the lower leg muscles of subjects with Duchenne muscular dystrophy (DMD) and the healthy volunteers at baseline.
| Muscles | DMD (n = 9) |
Healthy Volunteers (n =19) |
P value2 |
|---|---|---|---|
| Median (IQR1) | Median (IQR1) | ||
| Tibialis anterior | 8.0 (6.5 – 11.5) | 4.6 (3.8 – 5.5) | < .001 |
| Tibialis posterior | 4.9 (4.1 – 6.8) | 4.3 (3.9 – 4.8) | 0.129 |
| Extensor digitorum longus | 9.2 (7.0 – 13.8) | 4.8 (3.7 – 5.9) | < .001 |
| Peroneus | 15.7 (9.1 – 19.5) | 7.0 (5.2 – 8.6) | < .001 |
| Soleus | 11.9 (8.9 – 22.9) | 4.9 (4.1 – 6.2) | < .001 |
| Gastrocnemius lateralis | 13.9 (8.7 – 27.5) | 4.4 (3.5 – 5.1) | < .001 |
| Gastrocnemius medialis | 10.7 (8.0 – 22.3) | 5.3 (4.1 – 6.6) | < .001 |
1
IQR: interquartile range (25th – 75th percentile);
2
Wilcoxon Rank Sum test