Table 3

Intra-rater and inter-rater reliability coefficients (ICC).

Intra-rater
 Inter-rater

Rater 1
 Rater 2
 Rater 3


ICC
 95% CI
 ICC
 95% CI
 ICC
 95% CI
 ICC
 95% CI
Weight Bearing
Arch Height
 0.82
 0.42 – 0.95
 0.92
 0.73 – 0.98
 0.96
 0.85 – 0.99
 0.95
 0.86 – 0.99
Weight Bearing
Foot Length
 0.76
 0.28 – 0.93
 0.97
 0.88 – 0.99
 0.99
 0.98 – 0.99
 0.95
 0.86 – 0.99
Non-Weight
Bearing Arch
Height
 0.84
 0.48 – 0.96
 0.73
 0.22 – 0.92
 0.78
 0.33 – 0.94
 0.73
 0.42 – 0.92
Non-Weight
Bearing Foot
Length
 0.98
 0.94 – 0.99
 0.99
 0.94 – 0.99
 0.99
 0.94 – 0.99
 0.98
 0.95 – 0.99
AH Difference
 0.92
 0.78 – 0.98
 0.88
 0.71 – 0.97
 0.93
 0.81 – 0.98
 0.92
 0.78 – 0.98

Note: 95% CI = 95% Confidence Interval

McPoil et al. Journal of Foot and Ankle Research 2008 1:3   doi:10.1186/1757-1146-1-3