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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
  1. *Significative values are in bold text