Table 3.
Postoperative radiological measurements and complications between the two groupsψ
| Measurements | FRF group (N = 44) | TA group (N = 69) | p value |
|---|---|---|---|
| Acetabular cup | |||
| Inclination angle (°) | 41.3 ± 2.2 | 42.0 ± 2.6 | 0.105a |
| Anteversion angle (°) | 15.2 ± 1.6 | 19.8 ± 3.9 | 0.000a |
| Femoral stem | |||
| Varus/neutral/valgus | 3/41/0 | 5/64/0 | 1.000b |
| Subsidence (mm) | 0.89 ± 0.62 | 0.93 ± 0.63 | 0.733a |
| Complications | 0.000b | ||
| Greater trochanter fracture | 0 (0%) | 2 (2.9%) | |
| Delayed incision healing | 0 (0%) | 1 (1.4%) |
ψ Continuous variables are expressed as the mean and standard deviation. Categorical variables are presented as numbers with percentages in parentheses
aIndependent‑sample Mann–Whitney U test
bPearson's Chi-square test. The boldface indicates statistical significance. FRF, femoral-release-first; TA, traditional approach