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Table 2 Mean differences of COP parameters between different the heel wedge insole and the various out-shoe lateral wedges conditions

From: Effects of laterally wedged insoles on static balance in patients with medial compartment knee osteoarthritis

  lateral heel wedge insole versus: Mean differences P*
Total Mean distance (mm) 8.5 ° Heel Wedge (shoe sole) -0.95 0.02
  8.5 ° Heel & Forefoot wedge (shoe sole) -1.17 0.03
95% confidence circle area (mm 2 ) 8.5 ° Heel & Forefoot wedge (shoe sole) -238.43 0.04
95% confidence ellipse area (mm 2 ) 8.5 ° Heel Wedge (shoe sole) -189.91 0.04
  8.5 ° Heel & Forefoot wedge (shoe sole) -186.08 0.006