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Egyptian Journal of Radiology and Nuclear Medicine

Table 3 ICCs for inter- and intra-observer concordance for thickness and shear wave speed (SWS) measurements

From: Ultrasound with shear wave elastography in diagnosis and follow-up of common extensor tendinopathy in cases with lateral epicondylitis: a cross-sectional analytic study

 

LE elbows

SWS (m/s)

ICCs

Operator 1

Operator 2

Operator 1'

Inter-observer

Intra-observer

Thickness

5.2 ± 0.3

5.2 ± 0.4

5.2 ± 0.3

0.880 (0.787–0.934)

0.999 (0.999–1.000)

Mean SWS

9.5 ± 0.8

9.6 ± 0.7

9.6 ± 0.8

0.974 (0.953–0.986)

0.998 (0.995–0.999)

Minimum SWS

8.4 ± 0.7

8.4 ± 0.7

8.4 ± 0.7

0.939 (0.890–0.967)

0.999 (0.995–1.000)

Maximum SWS

11.3 ± 0.9

11.3 ± 1

11.3 ± 0.9

0.964 (0.934–0.980)

1.000 (0.973–1.000)

  1. Data are means ± standard deviation.SWS, shear wave speed; m/s, meter per second; Operator 1', operator 1 thickness and shear wave speed values after one week, ICCs, intraclass correlation coefficients
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