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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).