From: Safety of total hip arthroplasty for femoral neck fractures using the direct anterior approach: a retrospective observational study in 86 elderly patients
n = 86
Cup inclination
44° (39° – 49°)
Heterotopic ossification
Brooker’s classification [33]
- Grade 0
62 (72.1 %)
- Grade I
19 (22.1 %)
- Grade II
4 (4.6 %)
- Grade III
1 (1.2 %)
- Grade IV
0 (0.0 %)