Skip to main content
. Author manuscript; available in PMC: 2011 May 1.
Published in final edited form as: Am J Phys Med Rehabil. 2010 May;89(5):390–400. doi: 10.1097/PHM.0b013e3181d8a238

Table 1.

Quantitative Ultrasound (QUS) Descriptors of Biceps and Supraspinatus Tendon Appearance

QUS Measure Biceps Tendon Supraspinatus Tendon
Mean (SD) Mean (SD)
Width (mm) 5.01 (1.16) 5.32 (1.00)
Echogenicity 108.96 (24.11) 98.18 (29.26)
Variance 1729.38 (745.28) 1221.26 (692.93)
Skewness 0.54 (0.47) 0.27 (0.42)
Kurtosis 3.91 (0.96) 3.81 (0.85)
Entropy 6.98 (0.36) 6.72 (0.49)
Contrast 5.08 (2.07) 3.73 (1.80)
Energy 0.69 (0.32) 0.95 (0.62)
Homogeneity 3.59 (0.27) 3.78 (0.35)

SD= standard deviation

Note: No statistical comparisons were made between tendons.