Table 1 Preoperative demographics.
Demographics | Total | Remelted HXLPE (Longevity®) | VEPE (E1®) | P Value |
|---|---|---|---|---|
Number | 116 | 47 | 69 | |
Age, mean ± SD, years | 61.5 ± 14.1 | 63.5 ± 9.6 | 59.6 ± 10.8 | 1.000 |
Gender | 0.069 | |||
Female | 27 (23%) | 15 (32%) | 12 (17%) | |
Male | 89 (77%) | 32 (68%) | 57 (83%) | |
BMI, mean ± SD, kg/m2 | 24.5 ± 3.1 | 24.1 ± 3.2 | 24.7 ± 3.2 | 0.312 |
BMD, mean ± SD, T-score | − 1.2 ± 1.3 | − 1.3 ± 1.4 | − 1.0 ± 1.5 | 0.284 |
Follow-up, mean ± SD, years | 3.6 ± 1.1 | 3.9 ± 1.4 | 3.2 ± 0.7 | 0.001 |
Cause of THA | ||||
Osteonecrosis | 66 (56%) | 22 (47%) | 44 (64%) | 0.070 |
Osteoarthritis | 36 (31%) | 16 (34%) | 20 (30%) | 0.563 |
Femoral neck fracture | 10 (9%) | 9 (19%) | 1 (1%) | 0.001 |
Acetabular fracture | 2 (2%) | 0 (0%) | 2 (3%) | 0.239 |
Femoral head insufficient fracture | 1 (1%) | 0 (0%) | 1 (1%) | 0.407 |
PVNS | 1 (1%) | 0 (0%) | 1 (1%) | 0.407 |
Laterality | 0.476 | |||
Right | 54 (47%) | 20 (57%) | 34(49%) | |
Left | 62 (53%) | 27 (43%) | 35(51%) | |
Surgical approach | ||||
Posterolateral | 116 (100%) | 47 (100%) | 69 (100%) | 1.000 |
