Table 2 The risk relative factor analysis of treatment failure (n = 46)

TT ≥ 5°

7/13

3.81

1.28–11.33

0.02

BMI ≥ 24 kg/m²

8/27

2.81

0.67–11.81

0.16

BMI ≥ 28 kg/m²

2/3

3.58

1.30–9.89

0.01

Age ≥ 55 years

6/19

2.13

0.69–6.54

0.19

Female

8/31

1.94

0.47–8.02

0.36

Left

5/22

1.09

0.36–3.27

0.88

van Dijk stage III

6/19

2.13

0.69–6.54

0.19

TOA

5/26

1.30

0.44–3.88

0.64

Pin infection

5/14

2.21

0.76–6.44

0.14