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Table 2 Reliability of 3D foot scanner measurements

From: Evaluation of the accuracy of shoe fitting in older people using three-dimensional foot scanning

  Session 1 mean (95% CI) Session 2 mean (95% CI) ICC (95% CI) CV (%)
Foot length 251.7 (243.1 to 260.3) 251.7 (243.0 to 260.4) 0.999 (0.996 to 0.999) 0.3
Ball width 92.7 (89.1 to 96.4) 92.0 (88.4 to 95.6) 0.968 (0.920 to 0.987) 1.5
Ball girth 271.4 (258.4 to 284.3) 273.2 (258.8 to 287.5) 0.964 (0.910 to 0.985) 2.1
  1. CI = confidence interval.
  2. ICC = intraclass correlation coefficient.
  3. CV = coefficient of variation.