Table 1 Characteristics of the included studies
Author | Year | Location | No., THA/HA (P) | Garden classification | Mean age, THA/HA (years) | THA details | HA details | Operative time, THA/HA (min) | Mean follow-up duration (months) | Reoperation causes | Risk factors of dislocation |
|---|---|---|---|---|---|---|---|---|---|---|---|
Keating | 2006 | Scotland | 69/69 | TypeIII/IV | 75.2/75.0 | Cemented femoral component | Bipolar, cemented | NA | 24 | THA: 3 for dislocation, 2 for infection, 1 for wound dehiscence. HA: NA | Posterior exposure |
Avery and Baker | 2011 and 2006 | UK | 40/41 | TypeIII/IV | 74.2/75.8 | Cemented acetabular and femoral component | Cemented | NA | 108 | THA: 1 for femoral stem subsidence. HA: 3 for acetabular erosion, 1 for peri-prosthetic fracture | NA |
Hedbeck and R. Blomfeldt | 2011 and 2007 | Sweden | 60/60 | TypeIII/IV | 80.5/80.7 | Cemented acetabular and femoral component | Bipolar, cemented | 120/78 | 48.4 | THA: 2 for infection. HA: 1 for peri-prosthetic fracture | Severe cognitive dysfunction |
Macaulay and Macaulay | 2008 and 2008 | The USA | 17/23 | TypeIII/IV | 82/77 | NA | Unipolar or bipolar, and cemented or uncemented | 89/82 | 34 | NA | NA |
Tol and van den Bekerom | 2017 and 2010 | Netherlands | 115/137 | TypeIII/IV | 82.1/80.3 | Cemented acetabular and femoral component | Bipolar, cemented | NA | 144 | THA and HA: 5 for loosening of the prosthesis, 2 for acetabular erosion, 1 for deep infection | Posterolateral approach (compared with anterolateral approach) |