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Table 5 Accuracy evaluation for the four methods

From: Comparing 3D foot scanning with conventional measurement methods

Dimensions MADa(mm) ISO 20685 [[25]](mm)
  3D scanning Digital footprint Ink footprint  
Foot length 1.6 14.7 13.6 2.00
Ball of foot length 3.9 7.1 5.7 2.00
Outside ball of foot length 7.1 3.6 9.3 2.00
Foot breadth diagonal 4.3 6.9 6.1 2.00
Foot breadth horizontal 11.9 0.8 0.1 2.00
Heel breadth 0.6 12.5 14.9 2.00
  1. aMAD between the digital caliper measurement and the 3D scanning, ink footprint and digital footprint measurement.