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Table 1 Gait variables in the operated and non-operated legs for pre-op (n = 28) and 8-week (n = 17) and 52-week (n = 28) post-op, and age-matched healthy controls (n = 29); values are mean (s.d)

From: Gait assessment as a functional outcome measure in total knee arthroplasty: a cross-sectional study

   Knee stance Knee swing Thigh sag ROM Shank sag ROM Thigh cor ROM Shank cor ROM T-P Diff Stride Dur. (s)
Op limb Pre-op 6.02 (3.41) 42.51 (10.18) 35.37 (6.39) 61.65 (8.98) 11.85 (6.43) 12.51 (4.35) 6.28 (7.28) 1.31 (0.16)
  8 weeks 6.23 (3.95) 40.94 (12.83) 36.78 (3.83) 62.57 (10.25) 13.03 (5.38) 13.38 (4.73) 8.59 (9.08) 1.33 (0.23)
  52 weeks 8.35 (3.72) 50.64§ (7.78) 36.40 (6.38) 66.39 (8.34) 11.94 (4.52) 13.03 (6.09) 10.79 (9.70) 1.24 (0.18)
Non-op limb Pre-op 9.64 (5.97) 47.46 (9.42) 34.73 (6.79) 62.85 (8.85) 11.01 (4.97) 14.42 (8.05) 7.17 (5.25) 1.31 (0.16)
  8 weeks 10.15 (4.83) 49.16 (7.68) 34.67 (4.70) 64.32 (8.16) 11.57 (4.43) 13.93 (6.94) 9.06 (5.48) 1.33 (0.23)
  52 weeks 10.58 (4.43) 50.74 (9.17) 35.32 (5.79) 65.35 (7.81) 12.47 (5.77) 13.89 (7.40) 12.71 (7.59) 1.24 (0.18)
Control   19.82* (4.92) 62.63* (5.77) 42.53* (5.77) 76.60* (5.80) 11.89 (3.31) 17.29* (7.01) 16.55* (4.26) 1.07* (0.09)
  1. (*indicates statistically significant differences between controls and patients; §indicates a statistically significant change from pre-operative value; mean values are highlighted in bold typeD).