General characteristics | Group A (N = 127) | Group B (N = 121) | Test statistics | P |
---|---|---|---|---|
Age (years) | 52.00 ± 12.42 | 51.15 ± 11.88 | 0.561# | 0.575 |
Sex | ||||
Male | 94 | 91 | 0.046* | 0.830 |
Female | 33 | 30 | ||
BMI (kg/m2) | 25.45 ± 3.47 | 24.82 ± 3.71 | 1.719# | 0.088 |
Smoking status | ||||
Yes | 16 | 15 | 0.002* | 0.962 |
No | 111 | 106 | ||
Alcohol consumption | ||||
Yes | 20 | 15 | 0.574* | 0.449 |
No | 107 | 106 | ||
Indications | ||||
ONFH | 119 | 106 | 1.988* | 0.575 |
DDH | 4 | 6 | ||
OA | 1 | 3 | ||
Other | 3 | 6 | ||
Preoperative HHS | 51.39 ± 11.94 | 52.47 ± 10.47 | 1.138# | 0.255 |
Range of motion (°) | ||||
Flexion-extension | 90.13 ± 17.34 | 88.84 ± 17.80 | 0.540# | 0.589 |
Abduction-adduction | 50.31 ± 13.53 | 49.22 ± 14.22 | 0.685# | 0.494 |
External rotation-internal rotation | 45.48 ± 16.11 | 47.74 ± 15.93 | 0.905# | 0.365 |