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Table 4 Intra-rater reliability for each rater

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

Item A B C D
  k Po/Po-1 k Po/Po-1 k Po/Po-1 k Po/Po-1
Running* 0.45 (0.21–0.69) 50/96 0.61 (0.37–0.85) 82/96 0.55 (0.23–0.86) 77/100 0.55 (0.24–0.86) 72/100
Walking* 0.32 (0.07–0.56) 46/96 0.68 (0.45–0.90) 64/86 0.22 (-0.03–0.49) 50/100 0.42 (0.09–0.76) 64/96
Toe-walking** 0.62 (0.40–0.83) 64/91 0.72 (0.48–0.96) 73/100 0.67 (0.48–0.87) 68/100 0.76 (0.55–0.97) 79/100
Heel-walking** 0.60 (0.41–0.81) 55/91 0.37 (0.05–0.69) 46/91 0.80 (0.62–0.99) 82/100 0.66 (0.44–0.89) 67/100
1- leg stance* 0.61 (0.38–0.84) 59/82 0.58 (0.31–0.86) 55/96 0.52 (0.26–0.78) 50/91 0.56 (0.27–0.84) 59/100
1- leg hop** 0.68 (0.50–0.87) 50/86 0.71 (0.49–0.93) 68/96 0.81 (0.68–0.95) 73/100 0.64 (0.43–0.84) 55/100
  1. • * = sufficient item reliability. ** = good item reliability. Bold numbers = above defined reliability cut off points
  2. K = kappa (95%), Po/Po-1 = Exact observed percentage agreement/percentage agreement including one level difference