Table 3.

Correlations Between Strain Ratio and Other Parameters

Variable	Correlation with Cross-Sectional Strain Ratio		Correlation with Longitudinal Strain Ratio
Echogenicity	r = 0.384	p = 0.25	r = 0.022	p = 0.52
Mobility	r = 0.366	p = 0.42	r = 0.175	p = 0.38
Vascularity	r = 0.352	p = 0.67	r = 0.206	p = 0.26
Area at Wrist	r = 0.348	p = 0.82	r = 0.134	p = 0.60
Area at Forearm	r = 0.346	p = 0.91	r = 0.157	p = 0.46
Wrist/Forearm Ratio	r = 0.354	p = 0.60	r = 0.149	p = 0.51
BMI*	r = 0.346	p = 0.02	r = 0.105	p = 0.50
Age	r = 0.421	r = 0.10	r = 0.105	p = 0.96

^*Variable not controlled for BMI; all other comparisons controlled for BMI.