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Table 2 Multivariate analysis for the contributing factors of CRBSI

From: Effect of ultrasound-guided central venous catheter insertion on the incidence of catheter-related bloodstream infections and mechanical complications

Clinical situations Contributing factors Odds ratio 95% CI P-value
Patients’ characteristics Age 3.520 0.003~0.032 0.0091*
Sex 1.380 −0.078~0.407 0.2270
Absolute neutrophil upon insertion −0.275 −0.001~0.001 0.4557
Catheter conditions Resident performance 0.807 −0.742~0.328 0.2257
Insertion direction (right or left) 1.064 −0.282~0.329 0.6399
Insertion site (internal jugular, subclavian, or femoral) 0.987 −0.424~0.415 0.6888
Catheter indwelling duration 0.013 −0.023~0.002 0.0868
Ultrasound-guided 0.833 −0.635~0.274 0.7201
Number of lumens 0.787 −0.021~0.001 0.9475
Size of catheter 1.365 −0.085~0.398 0.4877
  1. CI confidence intervals
  2. *P < 0.05