Crude | Adjusted | |||||
---|---|---|---|---|---|---|
HR | CI (95%) | p | HR | CI (95%) | p | |
Time interval | ||||||
Simultaneous | 1.1 | 0.3-3.6 | 0.86 | 2.0 | 0.6-6.6 | 0.26 |
≤6 months | 1.0 | 0.5-2.2 | 0.96 | 1.4 | 0.7-3.0 | 0.39 |
7-12 months | 0.6 | 0.3-1.2 | 0.15 | 0.7 | 0.3-1.5 | 0.37 |
>12 months (ref)a | 1.0 | - | - | 1.0 | - | - |
Sex | ||||||
Male | 1.0 | - | - | 1.0 | - | - |
Female | 0.8 | 0.5-1.3 | 0.38 | 0.7 | 0.4-1.2 | 0.16 |
Age | ||||||
<50 | 0.5 | 0.1-4.1 | 0.55 | 0.6 | 0.1-5.3 | 0.68 |
50-59 | 0.4 | 0.1-1.6 | 0.18 | 0.4 | 0.1-1.7 | 0.22 |
60-75 (ref) | 1.0 | - | - | 1.0 | - | - |
>75 | 3.6 | 2.1-6.1 | <0.001 | 3.8 | 2.2-6.5 | <0.001 |
Fixation | ||||||
Cemented (ref) | 1.0 | - | - | 1.0 | - | - |
Uncemented | 0.5 | 0.1-1.5 | 0.21 | 1.0 | 0.3-3.6 | 0.97 |
Otherb | 0.4 | 0.1-1.3 | 0.12 | 0.7 | 0.2-2.4 | 0.59 |