30.12.2014 Views

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

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Table KT28:<br />

Outcomes of Primary Unicompartmental<br />

<strong>and</strong> Total <strong>Knee</strong> Replacement<br />

Primary Unicompartmental <strong>and</strong> Total <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% CI<br />

Total <strong>Knee</strong> 3962 159529 478528 0.8 (0.80, 0.85)<br />

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

Total 5551 184835 560735 1.0 (0.96, 1.02)<br />

Figure KT15:<br />

Cumulative Percent Revision of Primary Unicompartmental <strong>and</strong> Total<br />

<strong>Knee</strong> Replacement<br />

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

Total <strong>Knee</strong> 159529 128472 99757 73451 50721 30799 13921 3560<br />

Unicompartmental 25306 21289 17225 13216 9530 5741 2402 484<br />

Table KT29:<br />

Yearly Cumulative Percent Revision of Primary Unicompartmental <strong>and</strong><br />

Total <strong>Knee</strong> Replacement<br />

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

Total <strong>Knee</strong> 1.0 (1.0, 1.1) 2.1 (2.1, 2.2) 2.8 (2.7, 2.9) 3.6 (3.5, 3.8) 4.3 (4.1, 4.5)<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) 11.9 (10.9, 12.9)<br />

160

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!