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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