Hip and Knee Arthroplasty - Surface Hippy Guide to Hip Resurfacing

Table HP30:
Outcomes of Specific Prostheses
Primary Unipolar Monoblock Hip Replacement requiring Revision
Unipolar Monoblock
Number
Revised
Total
Number
Observed
Component
Years
Revisions per
100 Observed
Component
Years
Exact 95%
CI
Austin-Moore Type Cemented 7 389 613 1.1 (0.46, 2.35)
Austin-Moore Type Cementless 463 11593 23413 2.0 (1.80, 2.17)
ETS Cemented 8 587 650 1.2 (0.53, 2.43)
Thompson Type Cemented 84 3603 7327 1.1 (0.91, 1.42)
Thompson Type Cementless 18 331 728 2.5 (1.46, 3.91)
Total 580 16503 32731 1.8 (1.63, 1.92)
Figure HP16: Yearly Cumulative Percent Revision of Cementless Austin Moore Type
and Cemented Thompson Type Hip Prostheses
Number at Risk 0 Yr 1 Yr 2 Yrs 3 Yrs 4 Yrs 5 Yrs 6 Yrs 7 Yrs
Thompson Type Cemented 3603 2233 1531 982 574 328 156 41
Austin-Moore Type Cementless 11593 6725 4836 3294 2066 1156 477 109
Table HP31:
Yearly Cumulative Percent Revision of Primary Unipolar Monoblock Hip
Replacement
CPR 1 Yr 2 Yrs 3 Yrs 5 Yrs 7 Yrs
Austin-Moore Type Cemented 1.3 (0.5, 3.6) 2.7 (1.1, 6.2) 2.7 (1.1, 6.2)
Austin-Moore Type Cementless 3.6 (3.2, 4.0) 5.0 (4.5, 5.5) 5.8 (5.3, 6.4) 6.4 (5.8, 7.1) 7.2 (6.3, 8.2)
ETS Cemented 1.4 (0.7, 2.9) 1.9 (0.9, 4.1) 1.9 (0.9, 4.1)
Thompson Type Cemented 1.4 (1.1, 1.9) 2.3 (1.8, 3.0) 2.9 (2.3, 3.8) 5.6 (4.3, 7.3)
Thompson Type Cementless 4.6 (2.6, 8.0) 5.2 (3.0, 8.9) 7.4 (4.5, 12.0) 10.8 (6.0, 19.1)
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