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Table 3 Reliability of the elastic modulus of the diaphragm and intercostal muscle measurements performed by the same physician by using 2D-SWE technology

From: Two-dimensional shear wave elastography: a new tool for evaluating respiratory muscle stiffness in chronic obstructive pulmonary disease patients

 

Consistency analysis

Repeatability analysis

Mean difference between the two measurements

95% agreement limit

ICC

95% CI

Elastic modulus of diaphragm

-0.42 ± 1.65

-3.65 ~ 2.81

0.756

0.482 ~ 0.896

Elastic modulus of intercostal muscle

-0.05 ± 1.06

-2.13 ~ 2.03

0.876

0.712 ~ 0.949

  1. 2D-SWE two-dimensional shear wave elastography, ICC intraclass correlation coefficient, CI consistency index