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Table 5 Risk factors related to prior antimicrobial therapya

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

  Non-Bacteremic
(n = 92)
Bacteremic
(n = 108)
Odds
Ratio
95% CI P-value Non-Bacteremic
(days)
Bacteremic
(days)
P-value
Number (percentage) of prior exposure antibiotics/duration of exposure, days 2.7 ± 1.1 3.8 ± 1.4 2.09 1.60 - 2.74 < 0.001 19.2 ± 21.3 13.2 ± 12.9 0.005
   Aminopenicillin 2 (2.2) 3 (2.8) 1.29 0.21 - 7.87 0.79 9.5 ± 2.1 6.7 ± 6.4 0.601
   Cephalosporin 34 (37.0) 34 (31.5) 0.78 0.44 - 1.41 0.416 11.2 ± 9.1 7.9 ± 6.8 0.09
   Quinolone 37 (40.2) 50 (55.6) 1.86 1.06 - 3.27 0.031 11.6 ± 6.2 7.8 ± 3.4 0.002
   Antipseudomonal penicillin 34 (37.0) 44 (40.7) 1.17 0.66 - 2.08 0.585 10.6 ± 5.1 6.3 ± 2.9 < 0.001
   Carbapenem 45 (48.9) 83 (76.9) 3.47 1.89 - 6.36 < 0.001 14.1 ± 14.9 9.2 ± 6.0 0.003
   Glycopeptide 52 (56.5) 85 (78.7) 2.84 1.53 - 5.28 0.001 12.6 ± 7.6 9.3 ± 7.8 0.018
   Aminoglycoside 10 (10.9) 30 (27.8) 3.15 1.45 - 6.88 0.004 8 ± 4.1 5.6 ± 3.8 0.099
   Anti-anaerobe 24 (26.1) 38 (35.2) 1.54 0.84 - 2.83 0.167 9.0 ± 4.6 6.3 ± 4.1 0.017
   Macrolide 2 (2.2) 5 (4.6) 2.18 0.41 - 11.54 0.357 5.5 ± 3.5 4.4 ± 2.6 0.660
  1. a Data are presented as numbers (percentages) unless otherwise indicated. Plus-minus values are means ± standard deviation
  2. CI confidential interval
  3. SD standard deviation