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Table 3 Subject characteristics and hip function assessments; hip osteoarthritis patients with MJS ≤/> 2 mm

From: Sagittal plane gait characteristics in hip osteoarthritis patients with mild to moderate symptoms compared to healthy controls: a cross-sectional study

  MJSa ≤2.0 mm (n=28) MJSa >2.0 mm (n=20) MEAN DIFFERENCE (95% CI) P-VALUE (TEST USED)
  Mean SD Mean SD   
Age (years) 60.0 9.56 57.8 9.46 2.2 (−3.42 to 7.80) 0.437(□)
Height (cm) 173.5 9.36 170.5 6.57 3.0 (−0.02 to 0.08) 0.224()
Weight (kg) 75.3 12.12 70.3 12.03 5.0 (−2.12 to 12.12) 0.164(□)
Body Mass Index 24.9 3.23 24.1 3.48 0.8 (−1.14 to 2.79) 0.404(□)
Target joint MJS a 1.2 0.71 2.9 0.43 −1.7 (−2.08 to −1.37) <0.001()
Harris Hip Score 77.3 8.26 79.5 8.02 −2.2 (−6.98 to 2.65) 0.370(□)
WOMAC b       
 WOMAC pain 27.7 18.69 22.1 17.07 5.6 (−5.01 to 16.26) 0.272()
 WOMAC function 25.9 17.96 17.5 12.76 8.4 (−1.05 to 17.83) 0.152()
 WOMAC stiffness 34.5 23.0 28.7 22.96 5.8 (−7.78 to 19.31) 0.305()
HIP ROM (°)       
 Flexion 117.7 17.46 126.7 16.58 −9.0 (−19.01 to 1.14) 0.081(□)
 Extension −0.3 7.95 2.5 9.32 −2.8 (−7.84 to 2.23) 0.267(□)
 Abduction 21.5 10.68 26.3 8.69 −4.8 (−10.55 to −1.13) 0.026()
 Adduction 21.9 7.02 25.7 7.49 −3.8 (−8.06 to −0.45) 0.049()
 Internal rotation 28.9 14.87 35.9 14.80 −7.0 (−15.84 to 1.65) 0.094()
 External rotation 22.0 11.65 27.5 14.17 −5.5 (−12.97 to 2.07) 0.151 □)
Muscle strength (Nm/BW*100 c)       
 Hip flexion 118.9 43.66 123.2 24.57 −4.3 (−26.07 to 17.53) 0.669()
 Hip extension 195.1 82.11 200.2 46.55 −5.1 (−46.20 to 35.89) 0.784()
 Knee flexion 90.2 31.69 84.3 22.30 5.9 (−10.84 to 22.57) 0.483()
 Knee extension 141.1 43.05 146.9 24.71 −5.8 (−27.47 to 15.85) 0.806(□)
  1. a: Minimal joint space.
  2. b: The Western Ontario and McMaster Universities Osteoarthritis Index.
  3. c: Newton meter/body weight*100.
  4. : Student’s t-test.
  5. : Welch’s t-test.
  6. : Mann–Whitney U-test.
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