Table 3

Multivariate logistic regression of factors influencing the development of dialysis catheter-related complications

Independent variablesOR95% CIp Value
Catheter infection
 Age0.3510.136 to 0.6740.006
 Registered residency0.250.12 to 0.52<0.01
 Primary disease0.3790.176 to 0.8180.013
 Educational level0.3340.198 to 0.565<0.01
  University<0.01
  Middle school1.2240.547 to 2.7360.623
  Primary school or below10.7573.637 to 31.817<0.01
 Nephropathy visit before dialysis treatment0.220.096 to 0.502<0.01
 Establishing long-term vascular access in advance0.4010.193 to 0.8320.014
 Taking drugs orally to prevent catheter thrombus0.6110.404 to 0.9230.019
 Albumin0.1420.085 to 0.237<0.01
 Ferritin2.1621.412 to 3.308<0.01
Catheter dysfunction
 Registered residency0.210.045 to 1.013<0.01
 Taking drugs orally to prevent catheter thrombus0.1060.041 to 0.274<0.01
 Imaging examination after catheter insertion2.6311.293 to 5.3540.008
 Catheter type3.4931.358 to 8.9830.009
 Medical costs
  Medical insurance0.004
  New Rural Cooperative Medical System0.9490.265 to 3.4030.936
  Self-paying13.4162.541 to 70.8270.002
 Nephropathy visit before dialysis treatment0.0480.018 to 0.124<0.01
 Establishing long-term vascular access in advance0.0250.006 to 0.109<0.01
 Catheter on left or right0.0240.007 to 0.080<0.01
 Catheter access vein
  Femoral vein<0.01
  Internal jugular vein0.0290.005 to 0.179<0.01
  External jugular vein0.0110.001 to 0.089<0.01
  Subclavian vein0.0150.002 to 0.125<0.01
 Haemoglobin2.2761.101 to 4.7490.012
Central vein stenosis
 Catheterisation time1.8271.175 to 2.8410.007
 Taking drugs orally to prevent catheter thrombus0.4160.261 to 0.8750.043
 Nephropathy visit before dialysis treatment0.3190.119 to 0.8550.023
 Establishing long-term vascular access in advance0.1620.084 to 0.312<0.01
 Left-sided or right-sided catheterisation0.5140.268 to 0.9860.045
 Primary disease0.4270.175 to 0.8410.007