Primary Conventional Total <strong>Hip</strong> Replacement Prostheses with a higher than anticipated Revision Rate Table HT47: Individual Primary Conventional Total <strong>Hip</strong> Prostheses identified as having a higher than anticipated Revision Rate Femoral/Acetabular Components Total Number Observed Component Years Revisions per 100 Observed Component Years Hazard Ratio P Value HR 95% CI Re-identified <strong>and</strong> no longer used Elite Plus/Charnley LPW 89 436 2.29 3.331 0.0001 (1.79, 6.20) Elite Plus/Apollo 52 277 2.53 3.808 0.0004 (1.81, 8.00) H Moos/Mueller 19 85 8.21 11.856
Table HT48: Yearly Cumulative Percent Revision of Individual Primary Conventional Total <strong>Hip</strong> Prostheses identified as having a higher than anticipated Revision Rate CPR 1 Yr 2 Yrs 3 Yrs 5 Yrs 7 Yrs Re-identified <strong>and</strong> no longer used Elite Plus/Charnley LPW 1.2 (0.2, 8.2) 4.9 (1.9, 12.4) 6.1 (2.6, 14.1) 11.3 (6.0, 20.6) 13.2 (7.2, 23.3) Elite Plus/Apollo 2.0 (0.3, 13.4) 4.0 (1.0, 15.1) 4.0 (1.0, 15.1) 12.5 (5.8, 25.9) 15.5 (7.6, 30.2) H Moos/Mueller 5.6 (0.8, 33.4) 11.1 (2.9, 37.6) 33.3 (16.6, 59.6) 38.9 (20.8, 64.7) 38.9 (20.8, 64.7) * Margron 5.8 (4.2, 7.8) 6.9 (5.2, 9.2) 7.5 (5.7, 9.9) 9.7 (7.3, 12.7) **Artek 2.9 (1.2, 6.7) 5.7 (3.1, 10.4) 8.1 (4.9, 13.2) 15.8 (11.1, 22.2) 20.1 (14.8, 27.0) **Inter-Op 9.1 (3.0, 25.6) 9.1 (3.0, 25.6) 12.1 (4.7, 29.1) 18.4 (8.7, 36.5) 18.4 (8.7, 36.5) **Revitan (non mod) 2.4 (0.6, 9.4) 6.1 (2.6, 14.0) 6.1 (2.6, 14.0) 9.1 (3.9, 20.7) Re-identified <strong>and</strong> still used F2L Multineck/Delta 5.6 (2.6, 12.0) 7.7 (3.9, 14.8) 7.7 (3.9, 14.8) * Profemur Z 6.2 (3.5, 10.9) 9.4 (5.9, 14.9) 12.2 (7.5, 19.7) ** MBA 4.2 (1.8, 9.7) 7.0 (3.5, 13.4) 9.0 (4.9, 16.1) 12.6 (7.1, 21.9) ** SPH-Blind 3.8 (2.8, 5.3) 4.7 (3.5, 6.3) 5.4 (4.1, 7.1) 6.8 (5.3, 8.8) Newly Identified Corail/ASR 2.1 (1.4, 3.1) 3.8 (2.6, 5.3) 4.5 (3.1, 6.6) *Adap<strong>to</strong>r (cemented) 7.1 (2.9, 16.7) 7.1 (2.9, 16.7) *Anca_Fit 4.6 (2.0, 10.1) 7.2 (3.0, 16.8) 7.2 (3.0, 16.8) *Hayes Consensus 3.2 (1.4, 7.0) 4.6 (2.3, 9.1) 4.6 (2.3, 9.1) * Lyderic II (cemented) 2.8 (0.7, 10.7) 6.4 (2.4, 16.3) 8.5 (3.6, 19.5) **Bionik 3.4 (1.7, 6.8) 4.2 (2.2, 8.3) Note: * Femoral Components ** Acetabular Components 97