Table 1 Subject characteristics and hip function assessments; hip osteoarthritis patients and controls
HIP OA PATIENTS (n=48) | CONTROLS (n=22) | MEAN DIFFERENCE (95% CI) | P-VALUE (TEST USED) | |||
|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | |||
Age (years) |   59.1 |   9.48 |   58.5 |   8.79 | 0.6 (−4.21 to 5.33) | 0.813(□) |
Height (cm) | 172.3 |   8.36 | 171.7 |  10.81 | 0.6 (−0.04 to 0.05) | 0.811(□) |
Weight (kg) |   73.2 |  12.21 |  70.8 |  15.13 | 2.4 (−4.38 to 9.17) | 0.483(□) |
Body Mass Index |  24.6 |   3.33 |  23.8 |   3.46 | 0.8 (−0.98 to 2.48) | 0.388(□) |
Target joint MJS a |   1.9 |   1.05 | ||||
Harris Hip Score |  78.2 |   8.15 |  99.5 |   1.19 | −21.3 (−24.73 to −17.76) | <0.001(□) |
WOMAC b | ||||||
 WOMAC function |  22.4 |  16.38 | ||||
 WOMAC stiffness |  32.1 |  22.92 | ||||
 WOMAC pain |  25.3 |  18.07 | ||||
Hip range of motion (°) | ||||||
 Flexion | 121.2 |  17.49 | 138.3 |   7.77 | −17.1 (−25.16 to −8,86) | <0.001(◊) |
 Extension |   0.8 |   8.56 |   9.9 |   5.15 | −9.1(−13.00 to −4.78) | <0.001(◊) |
 Abduction |  23.0 |  10.08 |  31.4 |   6.19 | −8.4 (−12.60 to −2.90) | <0.001(○) |
 Adduction |  23.5 |   7.48 |  25.4 |   5.39 | −1.9 (−5.85 to 1.43) | 0.317(○) |
 Internal rotation |  31.4 |  15.01 |  46.7 |  11.74 | −15.3 (−21.69 to −6.58) | 0.001(○) |
 External rotation |  24.3 |  12.91 |  44.5 |   7.49 | −20.2 (−26.75 to −14.41) | <0.001(◊) |
Muscle strength (Nm/BW*100 c) | ||||||
 Hip flexion | 120.7 |  36.65 | 135.3 |  31.95 | −14.6 (−33.40 to 4.20) | 0.126(□) |
 Hip extension | 197.2 |  68.96 | 223.4 |  57.35 | −26.2 (−61.17 to 8.80) | 0.140(□) |
 Knee flexion |  87.7 |  27.96 |  98.3 |  25.18 | −10.6 (−25.09 to 3.89) | 0.149(□) |
 Knee extension | 143.6 |  36.17 | 177.1 |  34.01 | −33.5 (−52.47 to −14.56) | 0.001(□) |