Hip and Knee Arthroplasty - Surface Hippy Guide to Hip Resurfacing
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 KG4:<br />
Primary <strong>Knee</strong> Replacement requiring Revision<br />
Type of <strong>Knee</strong><br />
Replacement<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 />
Unispacer 26 39 72 36.0 (23.49, 52.69)<br />
Partial <strong>Resurfacing</strong> 8 90 107 7.5 (3.23, 14.75)<br />
Patella/Trochlear 93 1057 2955 3.1 (2.54, 3.86)<br />
Unicompartmental 1613 25607 83298 1.9 (1.84, 2.03)<br />
Bicompartmental 4 42 18 21.7 (5.90, 55.46)<br />
Total <strong>Knee</strong> 4087 164764 495511 0.8 (0.80, 0.85)<br />
Total 5831 191599 581961 1.0 (0.98, 1.03)<br />
Table KG5:<br />
Yearly Cumulative Percent Revision of Primary <strong>Knee</strong> Replacement<br />
CPR 1 Yr 2 Yrs 3 Yrs 5 Yrs 7 Yrs<br />
Unispacer 43.6 (29.8, 60.4) 64.1 (49.4, 78.6) 66.7 (52.0, 80.7)<br />
Partial <strong>Resurfacing</strong> 7.8 (3.3, 17.9) 16.5 (8.1, 31.7)<br />
Patella/Trochlear 2.9 (2.0, 4.2) 6.0 (4.6, 7.8) 9.5 (7.5, 11.9) 13.8 (11.2, 17.0)<br />
Unicompartmental 2.3 (2.1, 2.5) 4.5 (4.2, 4.8) 6.1 (5.8, 6.5) 8.8 (8.3, 9.2) 12.1 (11.1, 13.3)<br />
Bicompartmental 10.2 (3.4, 28.7)<br />
Total <strong>Knee</strong> 1.0 (1.0, 1.1) 2.1 (2.0, 2.2) 2.8 (2.7, 2.9) 3.6 (3.5, 3.8) 4.3 (4.1, 4.5)<br />
115