Case no | Age (y) | Sex | Implant biomaterial | Duration of implant (y) |
1 | 76 | M | SS, UHMWPE, PMMA | 3 |
2 | 52 | M | CoCr, UHMWPE, PMMA | 8 |
3 | 74 | F | SS, UHMWPE, PMMA | 16 |
4 | 81 | M | SS, UHMWPE, PMMA | 12 |
5 | 69 | M | Ti, CoCr, ceramic, UHMWPE | 4 |
6 | 50 | F | Ti, ceramic, UHMWPE | 3 |
7 | 75 | M | SS, UHMWPE, PMMA | 8 |
SS = stainless steel, UHMWPE = ultra high molecular weight polyethylene, Ti = titanium alloy, CoCr = cobalt-chrome, PMMA = polymethylmethacrylate.