Parameters | Allografts group (n = 47) | No allografts group (n = 75) | P value |
---|---|---|---|
Male | 29 (61.7%) | 44 (58.7%) | 0.739 |
Age | 57.2 ± 16.5 (29–83) | 53.5 ± 17.4 (33–87) | 0.196 |
Follow-up | 6.4 ± 2.5 (2.3–11.5) | 6.0 ± 2.2 (2.2–11.8) | 0.302 |
Primary diagnosis | 0.958 | ||
 Osteonecrosis of the femoral head | 25 (53.2%) | 39 (52.0%) |  |
 Developmental dysplasia of the hip | 12 (25.5%) | 16 (21.3%) |  |
 Primary osteoarthritis | 6 (12.8%) | 11 (14.7%) |  |
 Femoral neck fractures | 3 (6.4%) | 7 (9.3%) |  |
 Rheumatoid arthritis | 1 (2.1%) | 2 (2.7%) |  |
Mean time from primary to revision THA | 9.3 ± 4.2 (1–18) | 8.9 ± 4.9 (0–17) | 0.824 |
Reason for revision | 0.575 | ||
 AL | 14 (29.8%) | 29 (38.7%) |  |
 PJI | 16 (34.0%) | 24 (32.0%) |  |
 PFF | 17 (36.2%) | 22 (29.3%) |  |
Fixation of previous femoral stems | 0.739 | ||
 Cement | 29 (61.7%) | 44 (58.7%) |  |
 Cementless | 18 (38.3%) | 31 (41.3%) |  |
Degree of femoral bone defects (Paprosky classification) | 0.106 | ||
 Type II | 9 (19.1%) | 20 (26.7%) |  |
 Type IIIA | 21 (44.7%) | 36 (48.0%) |  |
 Type IIIB | 12 (25.5%) | 19 (25.3%) |  |
 Type IV | 5 (10.6%) | 0 (0%) |  |
ETO utilized | 10 (21.3%) | 14 (18.7%) | 0.724 |