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Hip and Knee Arthroplasty - Surface Hippy Guide to Hip Resurfacing

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Table KP18:<br />

Primary Unicompartmental <strong>Knee</strong> Replacement requiring Revision by<br />

Gender<br />

Gender<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 />

Male 767 12964 42163 1.8 (1.69, 1.95)<br />

Female 822 12342 40043 2.1 (1.91, 2.20)<br />

Total 1589 25306 82206 1.9 (1.84, 2.03)<br />

Figure KP7:<br />

Cumulative Percent Revision of Unicompartmental <strong>Knee</strong> Replacement<br />

by Gender<br />

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

Male 12964 10928 8816 6784 4919 2975 1243 250<br />

Female 12342 10361 8409 6432 4611 2766 1159 234<br />

Table KP19:<br />

Yearly Cumulative Percent Revision of Unicompartmental <strong>Knee</strong><br />

Replacement by Gender<br />

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

Male 2.1 (1.8, 2.4) 4.4 (4.0, 4.8) 5.9 (5.5, 6.4) 8.2 (7.6, 8.8) 10.9 (9.6, 12.3)<br />

Female 2.4 (2.2, 2.7) 4.6 (4.2, 5.0) 6.3 (5.8, 6.8) 9.3 (8.7, 10.0) 12.9 (11.5, 14.5)<br />

128

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