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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