TABLE 3.

Multivariable analysis of risk factors for the occurrence of A. baumanniia

Imipenem-resistant A. baumanniiImipenem-susceptible A. baumannii
VariableOR (95% CI)VariableOR (95% CI)
Age1.03 (1.01-1.05)Age1.02 (1.01-1.03)
Male gender1.47 (1.03-2.09)
Time at risk1.02 (1.002-1.03)Time at risk1.02 (1.01-1.03)
ICU stay21.54 (10.73-43.23)ICU stay8.05 (5.67-11.44)
Imipenem9.18 (3.99-21.13)
Ceph 3b2.11 (1.13-3.95)Ceph 3b2.07 (1.47-2.91)
  • a Only statistically significant risk factors are shown in this table.

  • b Ceph 3, third-generation cephalosporin.