Table 2.
Distribution of pathogens and IEAT in initial BSI
| Pathogens | MTC n (%) |
IEAT | CTC n (%) |
IEAT | Total | Total IEAT |
|---|---|---|---|---|---|---|
| Candida spp. | 8 (9.5) | 7 | 0 (0.0) | 0 | 8 (5.9) | 7 |
| Gram-positive bacteria | 32 (38.1) | 5 | 27 (52.9) | 1 | 59 (43.7) | 6 |
| Coagulase negative staphylococci | 21 | 5 | 11 | 1 | 32 | 6 |
| Enterococcus spp. | 9 | 0 | 6 | 0 | 15 | 0 |
| Streptococcus spp. | 1 | 0 | 10 | 0 | 11 | 0 |
| Other gram-positive bacteria | 1 | 0 | 0 | 0 | 1 | 0 |
| Gram-negative bacteria | 34 (40.5) | 4 | 14 (27.5) | 4 | 48 (35.6) | 8 |
| Enterobacterales not constitutively producing AmpC | ||||||
| Escherichia coli | 12 | 0 | 9 | 0 | 21 | 0 |
| Klebsiella pneumoniae | 4 | 0 | 0 | 0 | 4 | 0 |
| Proteus mirabilis | 1 | 0 | 1 | 0 | 2 | 0 |
| Enterobacterales constitutively producing AmpC | ||||||
| Citrobacter freundii | 0 | 0 | 1 | 1 | 1 | 1 |
| Enterobacter cloacae/asburiae | 2 | 0 | 0 | 0 | 2 | 0 |
| Serratia marcescens | 3 | 0 | 0 | 0 | 3 | 0 |
| Pseudomonas aeruginosa | 2 | 1 | 0 | 0 | 2 | 1 |
| Acinetobacter spp. | 2 | 0 | 2 | 2 | 4 | 2 |
| Stenotrophomonas maltophilia | 2 | 1 | 0 | 0 | 2 | 1 |
| Other non-fermentative gram-negative bacteria | ||||||
| Chryseobacterium indologens | 1 | 0 | 0 | 0 | 1 | 0 |
| Pseudomonas spp. | 2 | 1 | 0 | 0 | 2 | 1 |
| Rhizobium radiobacter | 1 | 0 | 0 | 0 | 1 | 0 |
| Sphingomonas paucimobilis | 2 | 1 | 0 | 0 | 2 | 1 |
| Other gram-negative bacteria | ||||||
| Capnocytophaga sputigena | 0 | 0 | 2 | 1 | 2 | 1 |
| Polymicrobial | 10 (11.9) | 5** | 10 (19.6) | 1*** | 20 (14.8) | 6 |
| Total | 84 (100) | 21 | 51 (100) | 6 | 135 (100) | 27 |
**4/5 were positive with Candida spp. combined with bacterial pathogens; ***BSI with both Achromobacter xylosoxida and P. aeruginosa in one blood culture