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Hip and Knee Arthroplasty - Surface Hippy Guide to Hip Resurfacing

Hip and Knee Arthroplasty - Surface Hippy Guide to Hip Resurfacing

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Table M3:<br />

Mortality following Primary <strong>Hip</strong> Replacement by Type<br />

Type of <strong>Hip</strong><br />

Replacement<br />

Number<br />

Deaths<br />

Number<br />

Patients<br />

Cumulative<br />

Mortality<br />

(% deaths)<br />

St<strong>and</strong>ardised<br />

Mortality<br />

Person<br />

Years<br />

Rate per<br />

100 Person<br />

Years<br />

Exact 95%<br />

CI<br />

Bipolar 2789 7749 36.0 26.2 20176 13.8 (13.32, 14.35)<br />

Unipolar Monoblock 9048 15810 57.2 14.5 32973 27.4 (26.88, 28.01)<br />

Unipolar Modular 2013 6924 29.1 18.8 12242 16.4 (15.73, 17.18)<br />

Partial <strong>Resurfacing</strong> 0 8 0.0 0.0 12 0.0 (0.00, 30.76)<br />

Total <strong>Resurfacing</strong> 83 9143 0.9 0.6 29291 0.3 (0.23, 0.35)<br />

Thrust Plate 2 140 1.4 0.5 581 0.3 (0.04, 1.24)<br />

Conventional Total 7580 106540 7.1 2.6 349195 2.2 (2.12, 2.22)<br />

Total 21515 146314 14.7 3.8 444469 4.8 (4.78, 4.91)<br />

Figure M2:<br />

Cumulative Percent Survival of Primary <strong>Hip</strong> Replacement<br />

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

Bipolar 7749 5614 4287 3100 2037 1133 435 118<br />

Unipolar Monoblock 15810 9517 6844 4627 2880 1656 727 184<br />

Unipolar Modular 6924 3985 2384 1435 826 423 199 56<br />

Conventional Total 106540 88692 71684 55454 39985 25655 12500 3303<br />

Table M4:<br />

Yearly Cumulative Percent Survival of Primary <strong>Hip</strong> Replacement<br />

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

Bipolar 81.1 (80.2, 82.0) 72.9 (71.8, 73.9) 66.3 (65.1, 67.4) 54.6 (53.1, 56.0) 44.4 (41.8, 46.9)<br />

Unipolar Monoblock 67.4 (66.6, 68.1) 55.7 (54.9, 56.5) 46.0 (45.2, 46.9) 31.5 (30.6, 32.5) 23.1 (21.8, 24.3)<br />

Unipolar Modular 80.4 (79.4, 81.4) 71.6 (70.4, 72.8) 64.8 (63.3, 66.3) 52.0 (49.9, 54.1) 43.0 (39.7, 46.3)<br />

Conventional Total 98.1 (98.0, 98.1) 96.2 (96.1, 96.3) 94.1 (94.0, 94.3) 89.5 (89.3, 89.8) 85.0 (84.6, 85.5)<br />

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