Table 1 Distribution of causative pathogens
From: Epidemiology of bacteremia caused by uncommon non-fermentative gram-negative bacteria
Causative pathogen | Number of clinical isolates (%), n = 223 |
|---|---|
1. Pathogens identified by biochemical-based methods | 153 (68.6) |
Acinetobacter baumannii | 73 (32.7) |
Pseudomonas aeruginosa | 62 (27.8) |
Stenotrophomonas maltophilia | 12 (5.3) |
Burkholderia pseudomallei | 6 (2.7) |
2. Pathogens identified by 16S rDNA sequencing | 51 (22.9) |
Acinetobacter spp. (other than A. baumannii) | 11 (4.9) |
▪ Acinetobacter lwoffii | 10 (4.5) |
▪ Acinetobacter spp. (unidentified species) | 1 (0.4) |
Pseudomonas spp. (other than P. aeruginosa) | 12 (5.4) |
▪ Pseudomonas putida | 6 (2.7) |
▪ Pseudomonas stutzeri | 5 (2.2) |
▪ Pseudomonas spp. | 1 (0.4) |
Burkholderia spp. (other than B. pseudomallei) | 6 (2.7) |
▪ Burkholderia cepacia | 4 (1.8) |
▪ Burkholderia mallei | 1 (0.4) |
▪ Burkholderia spp. | 1 (0.4) |
Ralstonia spp. | 6 (2.7) |
▪ Ralstonia mannitolilytica | 2 (0.9) |
▪ Ralstonia pickettii | 1 (0.4) |
▪ Ralstonia spp. | 3 (0.9) |
Elizabethkingia meningoseptica | 2 (0.9) |
Chryseobacterium spp. | 2 (0.9) |
▪ Chryseobacterium menigosepticum | 1 (0.4) |
▪ Chryseobacterium spp | 1 (0.4) |
Acrobacter xylosoxidans | 2 (0.9) |
Aeromonas veronii biovar sobria | 1 (0.4) |
Agrobacterium spp. | 1 (0.4) |
Cupriavidus pauculus | 1 (0.4) |
Halomonas spp. | 1 (0.4) |
Herbassirillum huttiense | 1 (0.4) |
Roseomonas massiliae | 1 (0.4) |
Shewanella putrefaciens | 1 (0.4) |
Sphingomonas spp. | 1 (0.4) |
Wautersiella falsenii | 1 (0.4) |
Xanthomonas campestris | 1 (0.4) |
3. Isolates that could not be identified by 16S rDNA sequencing* | 11 (4.9) |
4. Insufficient specimens** | 8 (3.6) |