All Patients (N = 6123) |
Palsy Patients (N = 14) |
Non-Palsy Patients (N = 6109) |
P Value | |
---|---|---|---|---|
Age
(year) (mean ± SD) |
62.0±10.9 | 58.5± 8.0 | 62.1± 10.9 | 0.11 |
Gender (Male: Female) | 959:5164 | 0:14 | 959:5150 | 0.11 |
Body
Height (cm) (mean ± SD) |
153.6±46.0 | 151.5± 6.2 | 153.6± 46.2 | 0.24 |
Body
Weight (Kg) (mean ± SD) |
55.7±10.3 | 52.0± 7.8 | 55.8± 10.4 | 0.04 |
Body
Mass Index (Kg/m2) (mean ± SD) |
24.7±11.9 | 22.7± 3.0 | 24.7± 12.0 | 0.04 |
Affected side (left: right) | 2980:3143 | 8:6 | 2972:3137 | 0.53 |
Pre-operative Range of Motion (degree) | ||||
Flexion (mean ± SD) | 77.5±25.5 | 75.7± 29.9 | 77.6± 25.5 | 0.82 |
Extension (mean ± SD) | -5.3±10.1 | -7.9± 11.6 | -5.2± 10.1 | 0.40 |
Abduction (mean ± SD) | 17.3±11.6 | 16.4± 9.1 | 17.3± 11.6 | 0.72 |
Adduction (mean ± SD) | 12.6±8.4 | 12.9± 11.9 | 12.6± 8.3 | 0.94 |
External Rotation (mean ± SD) |
24.3±15.9 | 22.5± 21.6 | 24.3± 15.8 | 0.77 |
Internal Rotation (mean ± SD) |
7.1±20.8 | 15.0± 24.2 | 7.0± 20.7 | 0.24 |
Diagnosis (number of joint) | ||||
Osteoarthritis for subluxation | 4752 | 7 | 4745 | 0.01 |
Primary Osteoarthritis | 234 | 1 | 233 | 0.52 |
Completely Dislocated Hip | 359 | 3 | 356 | 0.01 |
Osteoarthritis for Perthes disease | 18 | 0 | 18 | 0.84 |
Osteoarthritis for trauma | 129 | 1 | 128 | 0.19 |
Rheumatoid Arthritis | 93 | 0 | 93 | 0.64 |
Osteonecrosis of the femoral head | 235 | 2 | 233 | 0.04 |
Rapidly Destructive Coxarthropathy | 175 | 0 | 175 | 0.81 |
Ankylosed Hip Joint | 107 | 0 | 107 | 0.61 |
Skeletal Dysplasia | 14 | 0 | 14 | 0.86 |
Previous piogenic arthritis | 38 | 0 | 38 | 0.77 |
Previous hip Osteotomy | 528 | 1 | 527 | 0.84 |
Pre-operative JOA Hip score | ||||
Total (mean ± SD) | 47.0± 13.8 | 49.1± 8.8 | 47.0± 13.8 | 0.42 |
Pain (mean ± SD) | 15.7± 8.5 | 16.9± 8.5 | 15.7± 8.5 | 0.62 |
Gait (mean ± SD) | 9.2± 3.9 | 9.6± 3.8 | 9.2± 3.9 | 0.69 |
ROM (mean ± SD) | 10.9± 4.8 | 10.4± 4.8 | 10.9± 4.8 | 0.67 |
ADL (mean ± SD) | 24.3±15.9 | 12.2± 3.9 | 11.4± 3.1 | 0.51 |
Surgical Factors | ||||
Operation time (min) (mean ± SD) |
44.4± 19.2 | 50.2± 16.0 | 44.3± 19.2 | 0.19 |
Operation bleeding (g) (mean ± SD) |
240.3± 153.0 | 267.7± 216.5 | 240.2± 152.9 | 0.64 |
Post-Operation bleeding (g) (mean ± SD) |
467.8± 275.2 | 524.8± 323.7 | 467.7± 275.1 | 0.52 |
Total bleeding (g) (mean ± SD) |
682.4± 329.4 | 792.5± 417.9 | 682.3± 329.3 | 0.34 |
leg
delongation (cm) (mean ± SD) |
1.34± 1.37 | 1.96± 1.22 | 1.33± 1.37 | 0.08 |