Table 3 Comparison bacteremias by central and peripheral catheter
From: Blood stream infections associated with central and peripheral venous catheters
Categorical variable (Chi squared) | Central catheter | Peripherical catheter | P * |
Active neoplasia 172/277 | 152/216 (70. 4%) | 20/61 (32.8%) | < 0.001 |
Steroids 45/259 | 41/199 (20.6%) | 4/60 (6.7%) | 0.01 |
Immunosuppressants 56/263 | 52/203 (25.6%) | 4/60 (6.7%) | 0.002 |
Diagnostic speciality bacteremia | < 0.001 | ||
- Medical (93/281) | 52/218 (23.9%) | 41/63 (65.1%) | < 0.001 |
- Surgical (80/281) | 68/218 (31. 2%) | 12/63 (19%) | 0.059 |
- ICU (53/281) | 50/218 (22.9%) | 3/63 (4.8%) | 0.001 |
- Hematology –Oncology (36/281) | 31/218 (14. 2%) | 5/63 (7.9%) | 0.18 |
Quantitative variables (Median and interquartile range 25-75%). U-Man Whitney | |||
Days with the last catheter | 12 (6.25–42.25) | 4 (3–7) | < 0.001 |
Days in Hospital to bacteremia | 14 (6-30) | 7 (4–13) | 0.02 |
Days from bacteremia to adecuate antibiotic treatment | 1 (0–3) | 0 (0–2.5) | 0.16 |
Hospital admissions > 48 h in the last 12 months (not including actual admission) | 1 (0–2) | 0 (0–1. 2) | 0.014 |
Pitt Score | 0 (0–1) | 0 (0–1) | 0.54 |
Time to positivity (hours) | 13.92 (10.56–18) | 13.92 (10.8–17.04) | 0.99 |
Urea (mg/dL) | 42 (31–55.7) | 38 (27–58) | 0.27 |
C- reactive protein (mg/dL) | 10.87 (4.9–21. 4) | 8.10 (3.12–14.57) | 0.082 |
Leukocytes (103 /μL) | 7500 (3630–12,400) | 7800 (5950–12,650) | 0.52 |
Platelets (106/μL) | 177 (75–343) | 169 (134.5–255.5) | 0.91 |
Quantitative variables (Student t test) | Mean difference Central and Peripherical catheter | ||
Age (years) | 1.8 (−2.58 to 6.18) | 0.41 | |
Systolic blood pressure (mmHg) | -5. 2 (− 12.58 to 2.08) | 0.16 | |
Dyastolic blood pressure (mmHg) | −1.71 (− 5.65 to 2.22) | 0.39 | |
Creatinin (mg/dL) | −0.08 (− 0.34 to 0. 17) | 0.51 | |
Hemoglobin (g/dL) | −0.78 (− 1.45 to − 0.1) | 0.02 | |