Table 3

Univariate analyses of risk factors for death associated with Acinetobacter baumannii infection
Variable Deaths (n = 17) Survivors (n = 32) Odds ratio (95%CI) p
n (%) n (%)
Male sex 9 (53) 20 (63) 0.68 (0.21 – 2.22) 0.52
Age ( each 10 years) 10 (59) 12 (38) 1.08 (0.74 – 1.55) 0.70
Liver transplant 14 (82) 11 (34) 8.91 (2.10 – 37.8) 0.003
Infection acquired in the ICU 15 (88) 9 (28) 19.2 (3.63 – 101.3) 0.001
Previous use of any antibiotic a 5 (36) 17 (65) 0.29 (0.08 – 1.15) 0.08
Previous use of carbapenem a 4 (29) 7 (27) 1.09 (0.26 – 4.62) 0.91
Extra-urinary site of infection 17 (100) 18 (56) Undefined <0.001
 Primary bacteremia 7 (41) 10 (31)
 Pneumonia 7 (41) 6 (19)
 Surgical site infection 3 (18) 2 (6)
Bacteremia b 11 (65) 17 (53) 1.43 (0.42 – 4.81) 0.57
Central venous catheter 16 (94) 15 (47) 18.1 (2.14 – 153.6) 0.008
Mechanical ventilation 15 (88) 10 (31) 16.5 (3.16 – 86.3) 0.001
Serum creatinine (for each 100 μmol/L) c 170 (80– 230) 270 (110 – 460) 0.68 (0.44 – 1.06) 0.10
Hemodialysis 6 (35) 6 (19) 2.36 (0.62 – 8.97) 0.21
Therapy for acute graft rejection 1 (6) 11 (34) 0.17 (0.03 – 0.88) 0.03
Septic shock 9 (53) 6 (19) 4.88 (1,33 – 17.9) 0.02
Appropriate empiric therapy 8 (47) 21 (66) 0.47 (0.14 – 1.55) 0.21
Resistance to carbapenem 8 (47) 10 (30) 1.96 (0.58 – 6.56) 0.28

ICU – intensive care unit; CI = confidence interval; a Data available for 40 cases; b includes 11 cases of secondary bacteremia; c median(interquartile range).

de Gouvêa et al.

de Gouvêa et al. BMC Infectious Diseases 2012 12:351   doi:10.1186/1471-2334-12-351

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