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Table 2 Intra-rater reliability indices for digital scanning

From: Reliability of capturing foot parameters using digital scanning and the neutral suspension casting technique

  Scan 1 Mean (± SD) Scan 2 Mean (± SD) Scan 3 Mean (± SD) ICC ICC 95% CI SEM SRD
Rater 1        
Cast Length (mm) 162.14 ± 11.36 162.05 ± 11.31 161.86 ± 11.35 0.99 0.99-0.99 1.13 3.13
Forefoot Width (mm) 88.57 ± 7.30 88.71 ± 7.41 88.43 ± 7.24 0.99 0.98-0.99 0.73 2.02
Rearfoot Width (mm) 52.76 ± 4.57 52.80 ± 4.50 52.76 ± 4.45 0.99 0.99-0.99 0.45 1.25
Medial Arch Height (mm) 25.00 ± 2.28 24.95 ± 2.36 24.86 ± 2.22 0.96 0.96-0.99 0.32 0.89
Lateral Arch Height (mm) 3.33 ± 2.13 3.48 ± 2.20 3.57 ± 2.16 0.97 0.96-0.99 0.30 0.83
Forefoot to Rearfoot Alignment (°) 1.14 ± 1.06 1.00 ± 1.10 1.10 ± 1.13 0.81 0.66-0.91 0.45 1.24
Rater 2        
Cast Length (mm) 162.05 ± 11.36 161.95 ± 11.19 162.10 ± 11.51 0.99 0.99-0.99 1.13 3.13
Forefoot Width (mm) 88.57 ± 7.32 88.33 ± 7.40 88.62 ± 7.38 0.99 0.98-0.99 0.74 2.05
Rearfoot Width (mm) 52.90 ± 4.58 52.95 ± 4.32 52.86 ± 4.41 0.99 0.99-0.99 0.44 1.22
Medial Arch Height (mm) 24.33 ± 2.13 24.29 ± 2.45 24.43 ± 2.42 0.97 0.96-0.99 0.40 1.11
Lateral Arch Height (mm) 3.43 ± 2.23 3.57 ± 2.01 3.33 ± 1.93 0.95 0.96-0.99 0.41 1.14
Forefoot to Rearfoot Alignment (°) 0.14 ± 1.39 0.10 ± 1.37 0.23 ± 1.37 0.82 0.66-0.91 0.54 1.50