Table 2.
Multivariate analysis to identify independent risk factors.
| Variables | β | Odds ratio (95% CI) | P value |
| BMI<18.5 kg/m2 | –.340 | 0.712 (0.414-1.224) | .22 |
| BMI=18.5-24.0 kg/m2 | –.801 | 0.449 (0.342-0.590) | <.001 |
| Physical mobility | 1.021 | 2.775 (1.951-3.946) | <.001 |
| Diabetes | .562 | 1.754 (1.134-2.712) | .01 |
| Surgical history | .551 | 1.734 (1.313-2.290) | <.001 |
| D-dimer concentration | .866 | 2.376 (1.778-3.176) | <.001 |
| Targeted therapy | .365 | 1.441 (1.104-1.881) | .007 |
| Surgical treatment | .434 | 1.543 (1.152-2.066) | .004 |
| Puncture times | .540 | 1.715 (1.121-2.624) | .01 |
| Catheter material | –1.188 | 0.305 (0.228-0.408) | <.001 |
| Presence of valve | –.447 | 0.639 (0.480-0.851) | .002 |
| Constant | –2.043 | 0.130 (0.087-0.193) | <.001 |