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Table 2 Changes in spatiotemporal gait following 6 months of treatment. Results are presented as mean (SD) [95% confidence interval, CI]

From: A non-invasive, home-based biomechanical therapy for patients with spontaneous osteonecrosis of the knee

 

Pre-treatment

3 months

6 months

P for GLM test

P for Friedman test

Velocity (cm/s)

65.2 (25.6)

[52.0–78.3]

85.4 (23.8)

[73.2–97.7]

92.1 (23.4)

[80.1–104.2]

P < 0.001

P < 0.001

Cadence (steps/min)

64.1 (14.0)

[56.8–71.3]

73.9 (13.9)

[66.7–81.0]

76.4 (13.6)

[69.5–83.4]

P < 0.001

P < 0.001

Base of support (cm)

7.5 (3.7)

[5.6–9.4]

6.7 (2.6)

[5.3–8.0]

6.3 (2.8)

[4.8–7.7]

P = 0.104

P = 0.257

Step length—involved (cm)

43.6 (11.5)

[37.7–49.5]

50.9 (11.5)

[45.0–56.8]

53.4 (12.6)

[46.9–59.9]

P < 0.001

P < 0.001

Step length—uninvolved (cm)

44.7 (13.5)

[37.7–51.6]

51.2 (12.7)

[44.7–57.7]

53.9 (11.9)

[47.8–60.0]

P < 0.001

P < 0.001

Stance—involved (% GC)

61.8 (3.6)

[60.0–63.6]

62.3 (2.5)

[61.0–63.6]

61.9 (2.5)

[60.6–63.2]

P = 0.875

P = 0.101

Stance—uninvolved (% GC)

68.3 (4.7)

[65.9–70.8]

64.0 (3.7)

[62.1–65.9]

63.2 (2.9)

[61.8–64.7]

P < 0.001

P < 0.001

Swing—involved (% GC)

38.2 (3.6)

[36.4–40.0]

37.7 (2.5)

[36.4–39.0]

38.1 (2.5)

36.8–39.4]

P = 0.875

P = 0.101

Swing—uninvolved (% GC)

31.7 (4.7)

[29.2–34.1]

36.0 (3.7)

[34.1–37.9]

36.8 (2.9)

[35.3–38.2]

P < 0.001

P < 0.001

SLS—involved (% GC)

31.8 (4.6)

[29.5–34.2]

35.9 (3.6)

[34.0–37.8]

36.8 (2.8)

[35.4–38.3]

P < 0.001

P < 0.001

SLS—uninvolved (% GC)

38.3 (3.6)

[36.5–40.2]

37.8 (2.6)

[36.5–39.2]

38.2 (2.4)

[36.9–39.4]

P = 0.858

P = 0.589

DLS—involved (% GC)

30 (5.9)

[26.9–33.0]

26.4 (5.7)

[23.4–39.3]

25.1 (5.1)

[22.5–27.7]

P < 0.001

P < 0.001

DLS—uninvolved (% GC)

30 (6.0)

[26.9–33.1]

26.2 (5.8)

[23.2–29.2]

25.1 (5.0)

[22.5–27.6]

P < 0.001

P < 0.001

  1. GC gait cycle, SLS single limb support, DLS double limb support