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Table 3 Interobserver reliability analysis of slack angle and shear modulus in three different ankle positions

From: Reliability and diagnostic accuracy of corrected slack angle derived from 2D-SWE in quantitating muscle spasticity of stroke patients

Measurement

Examiner 1

Examiner 2

ICC (95% CI)

Shear modulus (kPa) (n = 14)

 PF 25°

13.36 ± 3.32

13.04 ± 3.27

0.922 (0.783–0.974)

 PF 5°

23.07 ± 7.58

23.21 ± 8.06

0.961 (0.884–0.987)

 DF 15°

71.63 ± 39.23

72.20 ± 37.54

0.994 (0.983–0.998)

Slack angle (°) (n = 13)

− 0.19 ± 10.47

− 2.31 ± 10.73

0.751 (0.382–0.916)

  1. Data are means ± standard deviation
  2. ICC intraclass correlation coefficient, 95% confidence interval, PF plantarflexion, DF dorsiflexion