Table 1 Patient-, implant- and surgical data

N

80 hips (78 patients)

Mean age at time of operation (years)

60.7 (± 10.2)

Gender (M/F)

61.3% / 38.8%

BMI/Body mass index (kg/m²)

27.3 ± 4.8

Dorr Index (A/B/C)

82.5%/17.5%/0%

Fitmore hip stem family (A/B/B extended/C)

8.8%/52.5%/36.2%/2.5%

CCD angle (°)

134.1 (± 4.3)

Median stem size (median, range)

7 (5–8)

Mean preoperative leg length difference

 − 3.0 (± 5.3)

Mean postoperative leg length difference

 − 1.0 (± 6.4)

Mean difference between preoperative and postoperative leg length difference

1.8 (± 5.2)

Mean preoperative offset

38.5 (± 7.9)

Mean postoperative offset

40.5 (± 7.6)

Mean difference between preoperative and postoperative offset

2.0 (± 7.6)

Varus/neutral/valgus position after surgery

0%/82.5%/17.5%