Characteristic | TRO group (18 hips) | Control group (28 hips) | p value |
---|---|---|---|
Number of patients | 17 | 21 | |
Mean age, years (SD) | 40.8 (11) | 42 (14) | 0.76 |
Gender (male/female) | 16/1 | 16/5 | 0.20 |
Mean BMI, kg/m2 (SD) | 23.5 (3.3) | 22.1 (4.4) | 0.24 |
Mean length of follow-up, months (SD) | 78.9 (45) | 106.3 (39) | < 0.05* |
Etiology of ONFH | |||
Steroid/alcoholism/idiopathic | 8/ 8/ 1 | 14/ 7/ 0 | 0.77 |
Approach: posterior (n) | 18 | 28 | |
Femoral component | |||
Cementless (n) | 16 | 28 | 0.15 |
Cement (n) | 2 | 0 |