Table 3 BB muscle characteristics of all participants.
From: Age-related changes in ultrasound-assessed muscle composition and postural stability
Variables | Young group | Older group | p-value | t64 | Cohen’s d | ICC 95% CI |
|---|---|---|---|---|---|---|
MT (cm) | 2.79 ± 0.65 | 2.68 ± 0.66 | 0.47 | 0.722 | 0.2 | 0.98–0.99 |
EI (A.U.) | 30.0 ± 6.9 | 42.3 ± 8.4 | < 0.0001 | − 6.48 | 1.6 | 0.91–0.96 |
SAT (cm) | 0.52 ± 0.28 | 0.60 ± 0.29 | 0.22 | − 1.24 | 0.3 | 0.83–0.99 |
Texture parameters | ||||||
ASM | 0.013 ± 0.02 | 0.001 ± 0.002 | 0.006 | 2.82 | 0.7 | 0.96–0.99 |
Contrast | 119.1 ± 45.8 | 138.6 ± 59.0 | 0.14 | − 1.49 | 0.4 | 0.85–0.99 |
Correlation | 0.001 ± 0.0004 | 0.0008 ± 0.0001 | 0.02 | 2.47 | 0.6 | 0.74–0.99 |
IDM | 0.249 ± 0.07 | 0.176 ± 0.04 | < 0.0001 | 5.16 | 1.3 | 0.86–0.99 |
Entropy | 7.33 ± 0.66 | 8.09 ± 0.39 | < 0.0001 | − 5.69 | 1.4 | 0.85–0.99 |
