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Hip and Knee Arthroplasty - Surface Hippy Guide to Hip Resurfacing

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Table HP24:<br />

Primary Unipolar Monoblock <strong>Hip</strong> Replacement requiring Revision by<br />

Femoral Fixation (Primary Diagnosis Fractured NOF excluding Infection)<br />

Femoral<br />

Fixation<br />

Number<br />

Revised<br />

Total<br />

Number<br />

Observed<br />

Component<br />

Years<br />

Revisions per<br />

100 Observed<br />

Component<br />

Years<br />

Exact 95%<br />

CI<br />

Cementless 432 11575 23582 1.8 (1.66, 2.01)<br />

Cemented 79 4436 8366 0.9 (0.75, 1.18)<br />

Total 511 16011 31948 1.6 (1.46, 1.74)<br />

Figure HP13: Cumulative Percent Revision of Primary Unipolar Monoblock <strong>Hip</strong><br />

Replacement by Femoral Fixation (Primary Diagnosis Fractured NOF<br />

excluding Infection)<br />

Number at Risk 0 Yr 1 Yr 2 Yrs 3 Yrs 4 Yrs 5 Yrs 6 Yrs 7 Yrs<br />

Cemented 4436 2641 1738 1061 594 330 158 42<br />

Cementless 11575 6763 4885 3330 2093 1158 478 110<br />

Table HP25:<br />

Yearly Cumulative Percent Revision of Primary Unipolar Monoblock<br />

<strong>Hip</strong> Replacement by Femoral Fixation (Primary Diagnosis Fractured NOF<br />

excluding Infection)<br />

CPR 1 Yr 2 Yrs 3 Yrs 5 Yrs 7 Yrs<br />

Cementless 3.3 (2.9, 3.6) 4.6 (4.2, 5.1) 5.4 (4.9, 6.0) 6.1 (5.5, 6.8) 6.9 (6.0, 7.9)<br />

Cemented 1.1 (0.8, 1.5) 1.9 (1.4, 2.4) 2.3 (1.8, 3.1) 4.8 (3.6, 6.5)<br />

41

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