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Table 2 Central and peripherical catheter bacteremias and microorganisms

From: Blood stream infections associated with central and peripheral venous catheters

MICROORGANISM

CB

PB

*P % difference

% Difference (IC 95%)

P ratio

Ratios (IC95%)

Polimicrobian 21/284

17/220 (7.7%)

4/64 (6. 2%)

0.69

(CB-PB) 1 (− 5 to 8)

0.69

[CB/PB] 1.23 (0.43 to 3.54)

Enterobacterias 24/284

14/220 (6. 3%)

10/64 (15.6%)

0.019

(PB-CB) 9. 2(0. 2 to 18.72)

0.02

[PB/CB] 2.5 (1.16 to 5.26)

Staphylococcus cn 167/284

141/220 (64.1%)

26/64 (40.6%)

< 0.001

(CB-PB) 23.46 (9.86 to 37)

0.004

[CB/PB] 1.57 (1.15 to 2.15)

Enterococo 6/284

4/220 (1.8%)

2/64 (3.1%)

0.52

(PB-CB) -1. 3 (− 5.9 to 3. 3)

0.52

[PB/CB] 1.72 (0.32 to 10)

Candida spp 15/284

13/220 (5.9%)

2/64 (3.1%)

0.38

(CB-PB) 2.7 (− 2. 4 to 8)

0.39

[CB/PB] 1.89 (0.43 to 8.16)

Staphylococcus aureus 36/284

21/220 (9.5%)

15/64 (23. 4%)

0.003

(PB-CB) 13.8 (2.8 to 24.92)

0.003

[PB/CB] 2.5 (1.35 to 4.54)

Gram negative not fermentative 6/284

4/220 (1.81%)

2/64 (3.12%)

0.52

(PB-CB) -1. 3 (− 5.9 to 3. 3)

0.52

[PB/CB] 1.7 (0.32 to 10)

  1. CB Central catheter blood stream infection
  2. PB Peripherical catheter blood stream infection
  3. IC 95% 95% Confidence interval
  4. *Significative values are in bold text