Table 3. Aetiology of all episodes of bloodstream infection compared by groups.
| Microorganisms | PBSI N = 419(%) |
MBSI N = 1702 (%) |
|---|---|---|
| Gram-negative | 219 (52.52) | 872 (51.23) |
| Escherichia coli | 74 (33.79) | 421 (48.28) |
| Pseudomonas aeruginosa | 43 (19.63) | 124 (14.22) |
| Klebsiella pneumoniae | 38 (17.35) | 129 (14.79) |
| Klebsiella oxytoca | 10 (4.57) | 11 (1.26) |
| Enterobacter spp. | 18 (8.22) | 66 (7.57) |
| Citrobacter spp. | 6 (2.74) | 7 (0.8) |
| Morganella morganii | 5 (2.28) | 2 (0.23) |
| Proteus spp. | 5 (2.28) | 15 (1.72) |
| Acinetobacter spp. | 3 (1.37) | 6 (0.69) |
| Salmonella enterica serovar enteritidis | 0 | 15 (1.72) |
| Stenotrophomonas maltophilia | 1(0.46) | 21 (2.41) |
| Other | 16 (7.31) | 55 (6.31) |
| Gram-positive | 173 (41.29) | 735 (43.18) |
| Staphylococcus aureus | 15 (8.67) | 115 (15.65) |
| Methicillin-resistant S. aureus | 3 (1.73) | 21 (2.86) |
| Coagulase-negative staphylococci | 40 (23.12) | 217 (29.52) |
| Viridans group streptococci | 51 (29.48) | 64 (8.71) |
| Streptococcus gallolyticus | 6 (3.47) | 17 (2.31) |
| Streptococcus agalactiae | 2(1.16) | 13(1.77) |
| Streptococcus pneumoniae | 3 (1.73) | 103(14.01) |
| Enterococcus spp. | 53 (30.64) | 130 (17.68) |
| Enterococcus faecium | 25 (14.45) | 78(10.61) |
| Enterococcus faecalis | 18 (10.40) | 44 (5.99) |
| Other Enterococcus spp. | 10 (5.78) | 8(1.09) |
| Listeria monocytogenes | 1 (0.58) | 25(3.40) |
| Other | 2 (1.16) | 30(4.08) |
| Anaerobes | 21 (5.04) | 62 (3.64) |
| Clostridium spp. | 10 (50) | 15 (24.19) |
| Bacteroides spp. | 5 (23.8) | 28 (45.16) |
| Bacteroides fragilis | 2 (10) | 21 (33.87) |
| Other | 6 (30) | 18 (29.03) |
| Fungi | 6 (1.44) | 33 (1.94) |
| Candida albicans | 5 (83.3) | 31 (93.94) |
| Scedosporiumspp. | 1 (16.67) | 0 |
| Fusarium solanii | 0 | 2 (6.06) |
| Antibiotic Resistant | ||
| Multidrug-resistant (MDR) | 40 (20.6) | 219 (12.9) |
| Ampicillin-resistant vancomycin-susceptible E. faecium | 22 (11.3) | 68 (4) |
| ESBL-producing Enterobacteriaceae | 11 (5.7) | 75 (4.4) |
| AmpC-producing Enterobacteriaceae | 4 (2.1) | 19 (1.1) |
| MDR-Pseudomonas aeruginosa | 1 (0.5) | 12 (0.7) |
| Vancomycin-resistant Enterococcus spp. | 6 (3.1) | 3 (0.2) |