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(a) Implant variables
| Type (n) | Acetabular cup size (n) | Acetabular insert material (n) |
|---|---|---|
| METHA: 40 Nanos: 14 |
size 46: 1 size 48: 5 size 50: 9 size 52: 9 size 54: 11 size 56: 10 size 58: 7 size 60: 2 |
Polyethylene: 20 (total) 15 (METHA-stem) 5 (Nanos-stem) Ceramic: 34 (total) 25 (METHA-stem) 9 (Nanos-stem) |
