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. Author manuscript; available in PMC: 2019 Aug 1.
Published in final edited form as: Clin Biomech (Bristol). 2018 Jul 3;57:144–149. doi: 10.1016/j.clinbiomech.2018.07.001

Table 3.

Multivariate linear regression analyses. SWE-measured moduli and MRI-derived fat fraction were used, simultaneously, to predict (A) experimentally measured extensibility or (B) Stiffness.

(A) Extensibility Analyses
p-value (SWE) p-value (Fat Fraction) R2
Ultrasound + MRI
SWE_PD + Fat Fraction 0.0148* 0.0015* 0.62
SWE_PS + Fat Fraction 0.0220* 0.0036* 0.60
SWE_AD + Fat Fraction 0.0361* 0.0043* 0.57
SWE_AS + Fat Fraction 0.1024 0.0026* 0.51
(B) Stiffness Analyses
Ultrasound + MRI
SWE_PD + Fat Fraction 0.1134 0.0158* 0.39
SWE_PS + Fat Fraction 0.0430* 0.0245* 0.46
SWE_AD + Fat Fraction 0.0346* 0.0251* 0.47
SWE_AS + Fat Fraction 0.2212 0.0165* 0.34