Table 2.

Bacterial isolates in 250 non-ICU patients with Gram-negative bacteraemia

Microorganism	n (%) (n = 274)
E. coli	77 (28)
K. pneumoniae	67 (24)
P. aeruginosa	30 (11)
Enterobacter cloacae	15 (5)
Proteus mirabilis	13 (5)
Acinetobacter baumannii	13 (5)
Klebsiella oxytoca	8 (3)
Stenotrophomonas maltophilia	6 (2)
Other Gram-negative microorganisms	45 (16)

Sixty-one (24.4%) of 250 Gram-negative bacteraemia episodes were polymicrobial infections. The most frequent among the 45 other Gram-negative organisms were Enterobacter aerogenes (n = 4), Achromobacter spp. (n = 3), Acinetobacter spp. (n = 3), Citrobacter freundii (n = 3), Citrobacter koseri (n = 3), Providencia spp. (n = 3), Pseudomonas spp. (n = 3), and Salmonella spp. (n = 3).