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Table 2 Intraobserver 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

1st Examination

2nd Examination

ICC (95% CI)

Shear modulus (kPa) (n = 14)

  PF 25°

12.25 ± 1.74

11.80 ± 1.73

0.802 (0.496–0.932)

 PF 5°

21.23 ± 4.35

20.79 ± 3.76

0.739 (0.363–0.908)

 DF 15°

64.87 ± 20.88

63.25 ± 18.69

0.984 (0.946–0.995)

Slack angle (°) (n = 13)

− 2.98 ± 8.23

− 0.15 ± 9.24

0.791 (0.432–0.932)

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