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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