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Table 3 Inter-rater reliability between the four raters at session one

From: Reliability and validity of motion analysis in children treated for congenital clubfoot according to the Clubfoot Assessment Protocol (CAP) using inexperienced assessors

  A-C B-C A-D B-D
  k Po/Po-1 k Po/Po-1 k Po/Po-1 k Po/Po-1
Running * 0.25 (0.08–0.42) 41/91 0.35(0.14–9.56) 50/91 0.44 (0.18–0.71) 64/91 0.46 (0.22–0.70) 54/100
Walking * 0.06 (-0.1–0.26) 36/77 0.52 (0.26–0.77) 64/96 0.42 (0.15–0.68) 55/96 0.54 (0.27–0.82) 64/96
Toe-walking 0.38 (0.17–0.59) 41/77 0.38(0.07–0.69) 41/100 0.35 (0.11–0.59) 35/81 0.72 (0.47–0.98) 75/100
Heelwalking 0.38 (0.15–0.60) 32/77 0.31 (0.05–0.56) 50/86 0.57 (0.33–0.81) 62/81 0.29 (0.05–0.53) 48/67
1-leg stance* 0.53(0.29–0.76) 55/82 0.45 (0.24–0.66) 41/82 0.15 (-0.16–0.4) 27/72 0.37 (0.11–0.62) 41/81
1- leg hop * 0.79 (0.63–0.94) 68/100 0.51 (0.29–0.74) 36/91 0.57 (0.37 0.77) 45/95 0.42 (0.16–0.68) 35/90
  1. • * = sufficient item reliability. Bold numbers = above defined reliability cut off points
  2. K = kappa (95%CI), Po/Po-1 = Exact observed percentage agreement/percentage agreement including one level difference