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Table 1 Univariable analysis of risk factors for multiresistant Acetinobacter baumannii carriage at ICU admission

From: The importance of colonization pressure in multiresistant Acinetobacter baumannii acquisition in a Greek intensive care unit

Variable

  

Univariable analysis

 
 

A. baumannii carriers at ICU admission ( n = 16)

Noncarriers at ICU admission ( n = 268)

OR (95% CI)

P value

Age, median [IQR]

67.5 [38-73.5]

64 [41-72]

1 (0.98-1.03)

0.77

Males n (%)

13 (81)

173 (65)

2.38 (0.66-8.56)

0.18

APACHE II, median [IQR]

21 [15.1-26]

17 [13-23]

1.04 (0.98-1.09)

0.19

SAPS II, median [IQR]

50.5 [40-64.2]

41 [28-54]

1.02 (0.99-1.04)

0.15

ODIN, median [IQR]

3 [2.25-4]

2 [1-3]

1.50 (1.04-2.15)

0.03

McCabe n (%)

    

   0-1

9 (56)

173 (59.7)

0.70 (0.26-1.95)

0.50

   2-3

7 (44)

95 (32.8)

  

Reason for ICU admission n (%)

    

   Medical reason

11 (68.7)

174 (64.9)

1.189 (0.4-3.52)

0.75

   Surgery before ICU admission

5 (31)

94 (36)

  

Trauma

2 (12.5)

51 (19)

0.60 (0.13-2.76)

0.52

Infection at ICU admission

10 (63)

37 (14)

10.41 (3.57-30.34)

0.001

Main reason for ICU admission n (%)

    

   Other

3 (18.75)

68 (25.4)

1

 

   Acute respiratory failure

6 (38)

64 (24)

1.32 (0.34-5.10)

0.69

   Neurologic disorder

6 (38)

107 (40)

0.94 (0.26-3.42)

0.93

   Hemodynamic disorder

1 (6.25)

29 (11)

0.58 (0.06-5.35)

0.63

Hospitalization before ICU admission n (%)

14 (87.6)

144 (53.7)

5.18 (1.15-23.2)

0.03

   In ward

11/14 (78.5)

132/144 (91.7)

  

   In another ICU

3/14 (21.4)

12/144 (8.3)

  

Hospital days before ICU admission, median [IQR]

5 [2.25-12.25]

0 [0-4]

1.08 (1.02-1.13)

0.005

Antibiotic use before ICU admission n (%)

15 (94)

105 (39)

23.29 (3.03-178.7)

0.002

  1. APACHE II, Acute Physiologic And Chronic Health Evaluation; CVC, central venous catheter; ICU, intensive care unit; IQR, interquartile range; ODIN, Organ Dysfunctions and/or Infection; OR, odds ratio; Other, postsurgery follow-up, trauma, cancer, and immunodeficiency; SAPS II, Simplified Acute Physiology Score II.