Skip to main content

Table 2 Risk factors for ICU acquired infection (Poisson regression)

From: Multiple-site decontamination to prevent acquired infection in patients with veno-venous ECMO support

Variables

IRR

95% CI

p-value

IRR

95% CI

p-value

Multiple-site decontamination

0.37

0.24–0.57

< 0.001

0.40

0.24–0.64

< 0.001

Age, per 1-year increase

1.01

1.00–1.02

0.029

1.01

1.00–1.02

0.14

Male

1.13

0.80–1.58

0.485

   

Immunocompromised

0.94

0.67–1.32

0.725

   

Diabetes

1.69

1.16–2.46

0.006

1.18

0.75–1.86

0.47

Artery disease

0.67

0.17–2.71

0.578

   

Hypertension

1.76

1.28–2.44

< 0.001

1.26

0.84–1.89

0.26

Year of admission, per 1-year increase

1.15

1.05–1.27

0.003

1.17

1.03–1.33

0.015

ARDS etiology

      

 Viral

Ref

Ref

Ref

Ref

Ref

Ref

 Bacterial

0.84

0.57–1.25

0.391

0.64

0.40–0.86

0.041

 Others

0.68

0.47–0.98

0.041

0.59

0.42–0.98

0.007

MDRO colonization at admission

1.50

1.02–2.20

0.039

1.31

0.87–1.96

0.20

Non respiratory SOFA score, per supplementary point

1.05

1.01–1.09

0.021

1.00

0.96–1.05

0.94

PaO2/FiO2, per 1 point increment

1.02

0.99–1.05

0.057

1.00

0.99–1.00

0.23

PCO2, per 1 point increment

1.01

0.99–1.02

0.300

   

Lactate, per 1 point increment

1.11

1.00–1.23

0.046

1.03

0.98–1.07

0.21

  1. ARDS: acute respiratory distress syndrome; SOFA: Sequential Organ Failure Assessment; MDRO: multidrug-resistant microorganisms; ICU: intensive care unit; ECMO: extra corporeal membrane oxygenation