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Table 3 Standard deviations differences for the two examiners for each of the parameters presented in Table 2

From: Different reliability of instrumented gait analysis between patients with unilateral hip osteoarthritis, unilateral hip prosthesis and healthy controls

  Standard deviations differences H vs. OA H vs. THA OA vs. THA
Healthy OA THA p-value p-value p-value
Speed m/s 0.08 0.12 0.07 0.142 0.660 0.058
Hip extension degrees 8.63 9.55 8.67 0.664 0.984 0.678
Hip flexion degrees 8.51 9.77 9.50 0.557 0.638 0.907
Hip ext-flex range degrees 2.22 4.37 2.58 0.005 0.521 0.027
Hip adduction degrees 3.09 2.92 3.94 0.807 0.298 0.200
Hip abduction degrees 3.46 3.31 3.60 0,844 0.872 0.720
Hip add-abd range degrees 2.27 1.81 3.35 0.339 0.097 0.010
Hip add moment Nm/kg 0.14 0.19 0.11 0.152 0.143 0.974
Hip abd moment Nm/kg 0.08 0.05 0.05 0.138 0.391 0.021
Hip add-abd moment range Nm/kg 0.17 0.20 0.14 0.555 0.352 0.131
  1. P-values refers to comparison of variances (Bartlett’s test) between Healthy (H), Hip osteoarthritis (OA) and Total hip arthroplasty (THA) subjects