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Table 3 Risk factors related to recent invasive procedures and presence of invasive devicesa

From: Risk factors for multi-drug resistant Acinetobacter baumanniibacteremia in patients with colonization in the intensive care unit

Parameters

Non-Bacteremic

(n = 92)

Bacteremic

(n = 108)

Odds

Ratio

95% CI

P-value

Recent invasive procedure b

75 (81.5)

102 (94.4)

3.85

1.45 - 10.24

0.007

   Arterial catheter

4 (4.3)

15 (13.9)

3.55

1.13 - 11.10

0.030

   Central venous catheter

6 (6.5)

29 (26.9)

5.26

2.08 - 13.34

< 0.001

   Abdominal drainages

1 (1.1)

5 (4.6)

-

-

-

   Thoracic drainage

0 (0)

2 (1.9)

-

-

-

   Nasogastric tube

18 (19.6)

11 (10.2)

0.47

0.21 - 1.05

0.064

   Urinary catheter

11 (12.0)

17 (15.7)

1.38

0.61 - 3.11

0.443

   CRRT

4 (4.3)

27 (25.0)

7.33

2.46 - 21.9

< 0.001

   Peritoneal dialysis

2 (2.2)

0 (0)

-

-

-

   Tracheostomy

1 (1.1)

3 (2.8)

-

-

-

   Other procedures

3 (3.3) c

7 (6.3) d

1.39

0.44 - 4.41

0.574

Presence of invasive device e

92 (100)

108 (100)

-

-

-

   Arterial catheter

84 (91.3)

96 (88.9)

0.76

0.29 - 1.95

0.571

   Central venous catheter

82 (89.1)

107 (99.1)

13.05

1.64 - 103.99

0.015

   Abdominal drainages

3 (3.3)

5 (4.6)

1.44

0.34 - 6.19

0.624

   Thoracic drainage

4 (4.3)

18 (16.7)

4.40

1.43 - 13.52

0.006

   Nasogastric tube

90 (97.8)

106 (98.1)

1.18

0.16 - 8.53

0.871

   Urinary catheter

91 (98.9)

105 (97.2)

0.39

0.04 - 3.76

0.412

   CRRT

7 (7.6)

36 (33.3)

6.07

2.55 - 14.47

< 0.001

   Peritoneal dialysis

2 (2.2)

1 (0.9)

0.42

0.04 - 4.71

0.482

   Endotracheal tube

46 (55.4)

80 (76.9)

2.72

1.47 - 5.04

0.001

   Other devices

2 (2.2)f

1 (0.9)g

0.42

0.04 - 4.71

0.482

  1. a Data are presented as numbers (percentages) unless otherwise indicated
  2. b Use of an invasive procedure within the 48 h preceding the date of the positive culture for MDR AB for bacteremic patients, or the date of discharge from the ICU for non-bacteremic patients
  3. c Pericardial drainage catheter insertion (1), buttock abscess drainage catheter insertion (1), fiberoptic bronchoscopy (1)
  4. d Fiberoptic bronchoscopy (3), esophagogastroduodenoscopy (1), extracorporeal membrane oxygenation catheter insertion (1), spinal tapping (1), tracheoscopy (1)
  5. e Having a device related to the invasive procedure for at least 48 h within the 2 weeks preceding the date of the positive culture for MDR AB for bacteremic patients, or the date of discharge from the ICU for non-bacteremic patients
  6. f Pericardial drainage catheter (1), buttock abscess drainage catheter (1)
  7. g Extracorporeal membrane oxygenation catheter (1)
  8. CRRT continuous renal replacement therapy
  9. CI confidential interval