Table 3 Univariate and multivariate logistic regression analysis of postoperative radiographic LLD

Age (year)

59.80 ± 9.08

61.23 ± 10.92

0.419

BMI (kg/m²)

25.77 ± 3.49

25.52 ± 3.22

0.661

Gender (number, %)

0.013

0.44

0.21, 0.92

0.028

Male

25, 51.02

80, 71.43

Female

24, 48.98

32, 28.57

Side (number, %)

0.572

Left hip

23, 46.94

58, 51.79

Right hip

26, 53.06

54, 48.21

Stem

0.272

Fully coated

27, 55.10

72, 64.29

Proximally coated

22, 44.90

40, 35.71

CFR (%)

2 cm above the LT tip (A1)

62.36 ± 5.72

61.54 ± 6.25

0.432

LT tip(L)

79.71 ± 6.95

79.05 ± 7.87

0.613

2 cm below the LT tip (B1)

81.77 ± 6.79

82.80 ± 6.05

0.338

7 cm below the LT tip (B2)

74.14 ± 11.40

74.99 ± 9.59

0.623

CFI

4.08 ± 0.99

3.75 ± 0.63

0.014

1.77

1.12, 2.80

0.014

Postoperative ΔHCOR (mm)

− 2.50 ± 3.39

− 2.13 ± 3.85

0.566

Postoperative ΔVCOR (mm)

0.76 ± 3.07

2.50 ± 3.61

0.006

0.86

0.76, 0.97

0.012

Postoperative ΔFO (mm)

0.63 ± 8.10

− 0.32 ± 6.68

0.437