Table 2.
Clinical outcome | Muscle | MRI fat fraction | Ultrasound z-score | ||
---|---|---|---|---|---|
CC | p value | CC | p value | ||
MMT dorsiflexors | Tibialis anterior | ||||
Right | − 0.882 | 0.01 | − 0.772 | 0.01 | |
Left | − 0.886 | 0.01 | − 0.729 | 0.01 | |
MMT plantar flexors | Gastrocnemius medialis | ||||
Right | − 0.323 | 0.16 | − 0.580 | 0.01 | |
Left | − 0.378 | 0.08 | − 0.569 | 0.01 | |
MMT knee extensors | Vastus lateralis | ||||
Right | − 0.823 | 0.01 | − 0.543 | 0.01 | |
Left | − 0.828 | 0.01 | − 0.569 | 0.01 | |
Rectus femoris | |||||
Right | − 0.500 | 0.02 | − 0.335 | 0.14 | |
Left | − 0.535 | 0.01 | − 0.230 | 0.30 | |
QMT knee extensors | Vastus lateralis | ||||
Right | − 0.603 | 0.01 | − 0.492 | 0.03 | |
Left | − 0.522 | 0.02 | − 0.232 | 0.32 | |
Rectus femoris | |||||
Right | − 0.385 | 0.08 | − 0.289 | 0.23 | |
Left | − 0.123 | 0.57 | − 0.159 | 0.46 |
p values corrected for multiple testing
MMT: manual muscle testing; QMT: quantitative muscle testing; CC: correlation coefficient