Table 6.
Survival of cementless total hip replacements and the cemented reference group. Endpoint was defined as revision due to aseptic loosening of the cup and/or the stem. 7-, 10-, and 15-year survival rates were obtained from the Kaplan-Meier analysis. For abbreviations, see Table 4
| A | B | C | D | E | F | G | H | I | J | K | L |
|---|---|---|---|---|---|---|---|---|---|---|---|
| All ≥ 55 years) | |||||||||||
| Anatomic Mesh/HG-II | 604 | 11.1 | 532 | 97 (96–98) | 445 | 94 (92–96) | 92 | 85 (80–89) | 0.68 (0.51–0.90) | 0.006 | |
| FU ≤ 7 years | 0.52 (0.32–0.86) | 0.01 | |||||||||
| FU > 7 years | 0.75 (0.53–1.06) | 0.1 | |||||||||
| PCA Std/PCA Pegged | 508 | 11.6 | 433 | 92 (90–95) | 354 | 83 (80–87) | 148 | 71 (66–76) | 1.48 (1.19–1.83) | < 0.001 | |
| FU ≤ 7 years | 1.37 (0.96–1.96) | 0.09 | |||||||||
| FU > 7 years | 1.46 (1.11–1.92) | 0.006 | |||||||||
| Bi-Metric/PFU | 2,687 | 8.8 | 2,035 | 98 (97–98) | 1,192 | 96 (96–97) | 145 | 90 (87–93) | 0.37 (0.29–0.46) | < 0.001 | |
| FU ≤ 7 years | 0.39 (0.29–0.54) | < 0.001 | |||||||||
| FU > 7 years | 0.34 (0.25–0.47) | < 0.001 | |||||||||
| Bi-Metric/Mallory | 637 | 8.8 | 517 | 99 (98–100) | 275 | 96 (94–98) | 10 | – | 0.36 (0.23–0.58) | < 0.001 | |
| FU ≤ 7 years | 0.27 (0.13–0.55) | < 0.001 | |||||||||
| FU > 7 years | 0.48 (0.26–0.88) | 0.02 | |||||||||
| Bi-Metric/Vision | 2,055 | 3.4 | 152 | 99 (98–99) | 0 | – | 0 | – | 0.37 (0.23–0.60) | < 0.001 | |
| FU ≤ 7 years | 0.37 (0.23–0.62) | < 0.001 | |||||||||
| FU > 7 years | 2.53 (0.35–18.4) | 0.4 | |||||||||
| ABG I/ABG I | 565 | 9.1 | 455 | 97 (96–99) | 330 | 92 (90–95) | 0 | – | 0.75 (0.54–1.04) | 0.09 | |
| FU ≤ 7 years | 0.51 (0.29–0.87) | 0.01 | |||||||||
| FU > 7 years | 1.03 (0.68–1.55) | 0.9 | |||||||||
| ABG I/ABG II | 1,765 | 5.9 | 700 | 99 (99–100) | 14 | – | 0 | – | 0.12 (0.06–0.22) | < 0.001 | |
| FU ≤ 7 years | 0.12 (0.06–0.24) | < 0.001 | |||||||||
| FU > 7 years | 0.13 (0.02–0.93) | 0.04 | |||||||||
| ABG II/ABG II | 1,489 | 2.5 | 0 | – | 0 | – | 0 | – | 0.33 (0.15–0.74) | 0.007 | |
| FU ≤ 7 years | 0.34 (0.15–0.76) | 0.009 | |||||||||
| FU > 7 years | – | – | |||||||||
| Cemented | 9,549 | 8.8 | 6,234 | 96 (96–96) | 4,447 | 93 (93–94) | 1,116 | 88 (87–89) | 1.0 (reference) | – | |
| FU ≤ 7 years | 1.0 (reference) | – | |||||||||
| FU > 7 years | 1.0 (reference) | – | |||||||||
| Total | 19,859 | ||||||||||