Table 3

Intra-rater reliability of tendinopathy classification criteria and individual parameters

Rater A kw (95% CI)Rater B kw (95% CI)
Overall agreement0.77 (0.59 to 0.94)0.70 (0.52 to 0.89)
Thickness0.75 (0.59 to 0.90)0.84 (0.71 to 0.98)
Echogenicity0.78 (0.62 to 0.95)0.73 (0.58 to 0.89)
Vascularity0.86 (0.74 to 0.98)0.89 (0.79 to 0.99)
  • kw, weighted kappa.