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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