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 MJSa |
1.9 |
1.05 |
|
|
|
|
|
Harris Hip Score |
78.2 |
8.15 |
99.5 |
1.19 |
−21.3 (−24.73 to −17.76) |
<0.001(□) |
|
WOMACb |
|
|
|
|
|
|
| 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*100c) |
|
|
|
|
|
|
| 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(□) |
a: Minimal joint space.
b: The Western Ontario and McMaster Universities Osteoarthritis Index.
c: Newton meter/body weight*100.
□: Student’s t-test.
◊: Welch’s t-test.
○: Mann–Whitney U-test.