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Table 4 Intra-rater reliability (ICC), standard error of the measurement (SEM), and minimal detectable change (MDC) scores for RATER 1

From: Reliability and normative values for the foot mobility magnitude: a composite measure of vertical and medial-lateral mobility of the midfoot

  Day 1
(Mean ± SD)
(cm)
Day 2
(Mean ± SD)
(cm)
ICC ICC
95% CI
SEM
(cm)
MDC95%
(cm)
LEFT FOOT       
Foot Length 25.96 ± 1.85 26.02 ± 1.86 0.99 0.99 – 1.00 0.11 0.32
Midfoot Width WB 8.82 ± 0.92 8.83 ± 0.94 0.99 0.98 – 1.00 0.09 0.24
Dorsal Arch Hgt WB 6.53 ± 0.55 6.55 ± 0.50 0.98 0.95 – 0.99 0.07 0.19
Midfoot Width NWB 7.72 ± 0.68 7.70 ± 0.68 0.98 0.95 – 0.98 0.10 0.27
Dorsal Arch Hgt NWB 7.94 ± 0.66 7.93 + 0.66 0.98 0.96 – 1.00 0.08 0.23
Diff Midfoot Width 1.11 ± 0.32 1.14 ± 0.29 0.87 0.70 – 0.96 0.11 0.30
Diff Dorsal Arch Hgt 1.41 ± 0.20 1.39 ± 0.22 0.91 0.79 – 0.97 0.06 0.17
Foot Mobility Magnitude 1.81 ± 0.30 1.80 ± 0.32 0.93 0.84 – 0.98 0.07 0.18
RIGHT FOOT       
Foot Length 25.88 ± 1.91 25.96 ± 1.85 0.99 0.99 – 1.00 0.11 0.32
Midfoot Width WB 8.79 ± 0.94 8.85 ± 0.89 0.99 0.97 – 1.00 0.09 0.25
Dorsal Arch Hgt WB 6.49 ± 0.54 6.48 ± 0.51 0.99 0.97 – 1.00 0.05 0.15
Midfoot Width NWB 7.71 ± 0.68 7.67 ± 0.70 0.98 0.95 – 0.99 0.09 0.26
Dorsal Arch Hgt NWB 8.08 ± 0.66 8.06 ± 0.65 0.99 0.97 – 1.00 0.07 0.19
Diff Midfoot Width 1.08 ± 0.34 1.18 ± 0.26 0.82 0.60 – 0.94 0.13 0.35
Diff Dorsal Arch Hgt 1.60 ± 0.18 1.59 ± 0.22 0.92 0.80 – 0.97 0.06 0.16
Foot Mobility Magnitude 1.94 ± 0.31 1.99 ± 0.28 0.91 0.79 – 0.97 0.09 0.21
  1. Note: WB = Weight Bearing; NWB = Non-Weight Bearing; SD = Standard deviation, 95% CI = 95% Confidence Interval