Table 1 Summary of Gram-negative microorganisms isolated from blood cultures during the period of 2011–2013
Resistance phenotype | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Species | CAI (n = 876) | HAI (n = 141) | Total (n = 1017) | amk | amc | caz | cip | cro | etp | fep | imp | mem | ofx | sxt | tcc | tzp |
Enterobacteriaceae (n = 783) | ||||||||||||||||
Edwardsiella spp. | 2 | 0 | 2 (0.2%) | – | – | – | – | – | – | – | – | – | 1 | 1 | – | – |
Enterobacter spp. | 9 | 4 | 13 (1.3%) | – | 8 | 8 | 1 | 10 | – | 1 | – | – | 1 | 4 | 5 | 1 |
E. coli | 392 | 53 | 445 (43.8%) | 2 | 80 | 201 | 196 | 203 | 5 | 179 | 1 | 1 | 200 | 298 | 262 | 24 |
Klebsiella spp. | 127 | 27 | 154 (15.1%) | 1 | 15 | 23 | 19 | 24 | 3 | 18 | 2 | 3 | 19 | 51 | 30 | 8 |
Morganella morganii | 2 | 1 | 3 (0.3%) | – | 3 | 2 | – | 3 | – | – | 1 | – | – | 1 | – | – |
Proteus mirabilis | 2 | 6 | 8 (0.8%) | – | – | 1 | 3 | 1 | – | 1 | – | – | 3 | 5 | 1 | – |
Providencia spp. | 1 | 1 | 2 (0.2%) | – | 1 | – | – | – | – | – | – | – | – | – | – | – |
Non-typhoidal Salmonella | 102 | 9 | 111 (10.9%) | – | – | 1 | 3 | 1 | – | 1 | – | – | 3 | 29 | 28 | – |
Salmonella Typhi | 40 | 4 | 44 (4.3%) | – | – | – | – | – | – | – | – | – | – | 11 | – | – |
Serratia marcescens | 0 | 1 | 1 (0.1%) | – | 1 | – | – | 1 | – | – | – | – | – | – | – | – |
Non-Enterobacteriaceae (n = 234) | ||||||||||||||||
Aeromonas spp. | 51 | 8 | 59 (5.8%) | – | 24 | 23 | – | 27 | – | – | – | – | 1 | 9 | 20 | – |
Abiotrophia spp. | 1 | 0 | 1 (0.1%) | – | – | – | – | – | – | – | – | – | – | 1 | – | – |
Archromobacter xylosoxidans | 1 | 1 | 2 (0.2%) | 1 | – | 1 | 1 | 2 | – | 1 | – | – | – | 1 | 1 | – |
Alcaligenes spp. | 8 | 3 | 11 (1.1%) | 4 | 2 | 1 | 1 | 3 | – | 4 | – | – | 1 | 1 | 1 | – |
Brevundimonas vesicularis | 2 | 0 | 2 (0.2%) | No information available | ||||||||||||
Burkhoderia cepacia | 28 | 8 | 36 (3.5%) | – | – | 1 | – | – | – | – | – | – | 1 | – | – | |
Burkhoderia pseudomallei | 51 | 0 | 51 (5.0%) | – | – | – | – | – | – | – | – | – | – | – | – | – |
Campylobacter spp. | 13 | 0 | 13 (1.3%) | – | – | – | 8 | – | – | – | – | – | 10 | – | – | – |
Chryseomonas spp. | 2 | 2 | 4 (0.4%) | 3 | 2 | 1 | 2 | 2 | – | 2 | 3 | 3 | 2 | 2 | 2 | 1 |
Comamonas spp. | 1 | 1 | 2 (0.2%) | No information available | ||||||||||||
Gemella spp. | 1 | 0 | 1 (0.1%) | No information available | ||||||||||||
Haemophilus spp. | 9 | 2 | 11 (1.1%) | – | 1 | – | 5 | 1 | – | – | – | – | – | 8 | – | – |
Moraxella spp. | 1 | 1 | 2 (0.2%) | – | – | – | – | – | – | – | – | – | – | – | – | – |
Neisseria meningitidis | 5 | 0 | 5 (0.5%) | – | – | – | – | – | – | – | – | – | – | – | – | – |
Pasteurella spp. | 6 | 0 | 6 (0.6%) | 1 | – | – | – | 1 | – | 1 | – | – | – | – | – | – |
Psychrobacter spp. | 2 | 0 | 2 (0.2%) | No information available | ||||||||||||
Ralstonia pickettii | 4 | 2 | 6 (0.6%) | 4 | 1 | 1 | – | – | – | 2 | 1 | 2 | – | 1 | 3 | 1 |
Roseomonas spp. | 2 | 0 | 2 (0.2%) | 1 | – | – | – | – | – | – | – | – | – | – | – | – |
Sphingomonas spp. | 2 | 1 | 3 (0.3%) | – | 1 | 2 | – | – | – | 2 | – | – | – | – | – | 1 |
Stenotrophomonas maltophilia | 6 | 5 | 11 (1.1%) | – | – | 7 | – | – | – | – | – | – | – | 2 | 6 | – |
Vibrio spp. | 3 | 1 | 4 (0.4%) | – | – | – | – | – | – | – | – | – | – | 1 | – | – |