Table 4 Univariate Cox proportional hazard regression analyses for device-related infections

Age (years)

51.44 ± 12.48

49.49 ± 10.11

0.57

Height (cm)

159.78 ± 5.70

156.58 ± 5.53

0.09

Weight (kg)

63.50 ± 11.97

56.45 ± 8.63

0.02

BMI (kg/m²)

24.99 ± 5.00

23.02 ± 3.34

0.08

PT (s)

10.93 ± 0.74

11.71 ± 1.17

0.06

APTT (s)

27.39 ± 3.61

31.29 ± 5.87

0.07

FIB (g/L)

3.51 ± 0.74

3.31 ± 0.89

0.5

ALB (g/L)

43.27 ± 3.34

45.08 ± 3.59

0.13

TG (mmol/L)

1.31 ± 0.65

1.33 ± 1.09

0.95

TC (mmol/L)

4.19 ± 1.24

4.87 ± 1.01

0.04

LDL-C (mmol/L)

2.56 ± 1.25

3.16 ± 0.94

0.06

Implantation depth (cm)

37.56 ± 3.75

36.99 ± 3.09

0.58

Operation time (min)

45.56 ± 14.96

43.81 ± 19.06

0.78

0.22

Hypertension

 Yes

3 (33.3%)

82 (17.1%)

 No

6 (66.7%)

398 (82.9%)

Diabetes

< 0.001

 Yes

4 (44.4%)

38 (7.9%)

0.23

 No

5 (55.6%)

442 (92.1%)

Incision type

 Puncture site incision technique

7 (77.8%)

275 (57.3%)

 Traditional tunnel needle technique

2 (22.2%)

205 (42.7%)

TNM stage (n)

 I

0 (0%)

54 (11.3%)

0.73

 II

4 (44.4%)

198 (41.3%)

 III

2 (22.2%)

161 (33.5%)

 IV

3 (33.3%)

67 (14.0%)

Access vein

 Basilic vein

9 (100%)

393 (81.9%)

0.38

 Cephalic vein

0 (0%)

52 (10.8%)

 Brachial vein

0 (0%)

35 (7.3%)