Table 4.
Rates of catheter-related bloodstream infection for participants with positive blood cultures
| Variable Association with CRBSI | Hazard Ratio | 95% Confidence Interval | P Value |
|---|---|---|---|
| Univariate analysis | |||
| Age (≥75 versus 18–74 yr) | 0.38 | 0.22 to 0.62 | <0.001 |
| Multivariate analysis | |||
| Age (≥75 versus 18–74 yr) | 0.39 | 0.23 to 0.66 | <0.001 |
| Sex (women versus men) | 1.06 | 0.77 to 1.44 | 0.73 |
| Ancestry (African American versus European American/Hispanic) | 1.33 | 0.91 to 1.94 | 0.13 |
| Vintage (1-yr increments) | 1.01 | 0.97 to 1.06 | 0.58 |
| Diabetes mellitus (no versus yes) | 0.96 | 0.70 to 1.32 | 0.81 |
| Tunneled central venous catheter site (internal jugular/subclavian versus femoral) | 0.52 | 0.33 to 0.83 | 0.01 |
| Catheter lock solution (gentamicin/citrate versus heparin/saline) | 0.77 | 0.49 to 1.20 | 0.22 |
| Immunosuppression (yes versus no) | 1.48 | 0.82 to 2.68 | 0.22 |
Multivariate analysis adjusted for sex, ancestry, dialysis vintage, diabetes mellitus, coronary artery disease, congestive heart failure, dialysis unit, initial tunneled central venous catheter site, first catheter lock solution, and immunosuppression.