Clinical Study
Fixation of an Anatomically Designed Cementless Stem in Total Hip Arthroplasty
Table 1
The metaphyseal fit and outcomes of THA.
| | Metaphyseal fixation | value | | | Good () | Poor () |
| | Followup (years) | 9.4 ± 2.8 | 10.2 ± 3.0 |
0.07 | | JOA score after surgery | 88 ± 11 | 86 ± 11 |
0.24 | | Stem fixation (B/U) | 83/0 | 53/1 |
0.39 | | Radiolucent line in zone 4 (P/N) | 64/19 | 42/12 |
0.93 | | Spot welds in zone 6 (P/N) | 64/19 | 44/10 |
0.54 | | Osteolysis at medial of GT (P/N) | 8/75 | 10/44 |
0.13 | | Stress shielding (grade I/ II) | 82/1 | 51/3 |
0.14 |
|
|
B/U: bone ingrown/unstable, P/N: positive/negative, GT: greater trochanter.
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