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Table 2 Correlation and p-values of the different approaches to quantify FD

From: Supraspinatus muscle elasticity measured with real time shear wave ultrasound elastography correlates with MRI spectroscopic measured amount of fatty degeneration

 

R

p-value

Spectroscopy - Shear wave ultrasound

0.826

0.00008

Spectroscopy - Goutallier scale

0.404

0.008

Shear wave ultrasound - Goutallier scale

0.48

0.002