RL (−) group (n = 35) | RL (+) group (n = 20) | p value | |
---|---|---|---|
Age (years) | 62.3 ± 12.0 | 60.0 ± 15.7 | 0.554 |
Sex male/female (n) | 5/30 | 6/14 | 0.161 |
BMI (kg/m2) | 24.7 ± 5.0 | 24.3 ± 4.0 | 0.274 |
Diagnosis OA/ON | 25/10 | 16/4 | 0.357 |
Approach AL-S/PL | 30/5 | 13/7 | 0.074 |
CE angle (degrees) | 29.6 ± 19.1 | 26.5 ± 16.2 | 0.535 |
Sharp angle (degrees) | 41.4 ± 5.7 | 41.6 ± 5.9 | 0.908 |
Cup diameter (mm) | 49.0 ± 2.9 | 49.9 ± 4.1 | 0.786 |
Screw (n) | 1.1 ± 0.8 | 1.5 ± 0.9 | 0.137 |
Cup abduction angle (degrees) | 39.8 ± 4.5 | 40.1 ± 4.6 | 0.851 |
Cup CE angle (degrees) | 29.7 ± 9.2 | 23.8 ± 10.4 | 0.030 |
Cup abduction angle 2 years postoperatively (degrees) | 39.9 ± 4.5 | 40.1 ± 4.6 | 0.132 |