Table 4 Univariate and multivariate logistic regression analysis of subjectively perceived LLD after THA

Age (year)

61.23 ± 9.84

60.63 ± 10.62

0.745

BMI (kg/m²)

25.47 ± 3.80

25.65 ± 3.10

0.762

Gender (number, %)

0.172

0.56

0.27, 1.19

0.132

Male

25, 56.82%

80, 68.38%

Female

19, 43.18%

37, 31.62%

Side (number, %)

0.450

Left hip

20, 45.45%

61, 52.14%

Right hip

24, 54.55%

56, 47.86%

Stem

0.142

1.66

0.80, 3.46

0.177

Fully coated

23, 52.27%

76, 64.96%

Proximally coated

21, 47.73%

41, 35.04%

CFR (%)

2 cm above the LT tip (A1)

61.54 ± 5.27

61.88 ± 6.39

0.754

LT tip (L)

79.84 ± 6.91

79.03 ± 7.84

0.541

2 cm below the LT tip (B1)

81.77 ± 6.00

82.75 ± 6.39

0.375

7 cm below the LT tip (B2)

75.38 ± 11.52

74.49 ± 9.62

0.620

CFI

4.12 ± 0.96

3.75 ± 0.66

0.008

1.82

1.14, 2.91

0.013

Postoperative ΔHCOR (mm)

− 1.69 ± 3.30

− 2.45 ± 3.84

0.246

Postoperative ΔVCOR (mm)

1.45 ± 4.22

2.17 ± 3.24

0.252

Postoperative ΔFO (mm)

0.38 ± 8.12

− 0.18 ± 6.75

0.658