| Mild osteolysis (Types I, II) | Severe osteolysis (Types III-V) | p Value# |
---|---|---|---|
Patients, N | 89 | 116 | Â |
Gender (men/women) | 35/54 | 33/83 | p = 0.101 |
Age at index surgery | 48 (27-58) | 45 (24-68) | p = 0.128 |
Primary diagnosis: | Â | Â | Â |
Osteoarthritis | 35 | 13 | Â |
Dysplastic hip | 23 | 62 | p < 0.001 |
Other diagnoses | 31 | 41 | Â |
BMI (kg/m2) | 28.1 (20.3-35.7) | 27.2 (16.0-42.6) | p = 0.062 |
Revision (yes) | 44 | 113 | p < 0.001 |
Age at event* (years) | 55 (34-69) | 52 (29-77) | p = 0.005 |
Time to event* (years) | 9 (2-13) | 6 (3-12) | p < 0.001 |
Harris hip score | 78 (14-96) | 65 (28-98) | p < 0.001 |
Prosthesis stable (yes) | 82 | 86 | p < 0.001 |
Linear wear rate (mm/year) | 0.22 (0.04-0.92) | 0.34 (0.04-2.52) | p = 0.009 |