Microbiological results | Bacteraemic patients (n = 64) | Patients without bacteraemia (n = 279) | |
---|---|---|---|
Blood cultures | Surgical samples | Surgical samples | |
Total number of microorganisms | 75 | 215 | 807 |
Gram-negative aerobic bacteria, n (%) | 32 (43) | 97 (45) | 312 (39) |
 Enterobacteriaceae, n (%) | 27 (36) | 86 (40) | 254 (31) |
  Escherichia coli, n (%) | 13 (17) | 42 (20) | 124 (15) |
  Klebsiella spp., n (%) | 3 (4) | 10 (5) | 34 (4) |
  Enterobacter spp., n (%) | 8 (11) | 17 (8) | 44 (5) |
  Other Enterobacteriaceae, n (%) | 3 (4) | 17 (8) | 52 (6) |
 Non-fermenting Gram-negative bacteria, n (%) | 4 () | 10 (5) | 44 (5) |
  Pseudomonas aeruginosa, n (%) | 3 (4) | 9 (4) | 39 (5) |
Miscellaneous Gram-negative bacilli, n (%) | 1 (1) | 1 (0.5) | 14 (2) |
Gram-positive aerobic bacteria, n (%) | 22 (29) | 73 (34) | 308 (38) |
 Staphylococcus aureus, n (%) | 5 (7) | 4 (2) | 26 (3) |
 Coagulase-negative staphylococci, n (%) | 5 (7) | 8 (4) | 50 (6) |
 Streptococcus spp., n (%) | 8 (11) | 21 (10) | 75 (9) |
 Enterococcus spp., n (%) | 3 (4) | 38 (18) | 151 (19) |
 Miscellaneous Gram-positive cocci, n (%) | 1 (1) | 2 (1) | 6 (1) |
Anaerobic bacteria, n (%) | 14 (19) | 22 (10) | 76 (9) |
 Bacteroides spp., n (%) | 12 (16) | 18 (8) | 46 (6) |
 Other anaerobes, n (%) | 2 (3) | 4 (2) | 30 (4) |
Multidrug-resistant bacteria, n (%) | 14 (19) | 26 (12) | 113 (14) |
Fungi, n (%) | 7 (9) | 23 (11) | 110 (14) |
 Candida albicans, n (%) | 3 (4) | 13 (6) | 71 (9) |
 Non-albicans Candida spp., n (%) | 3 (4) | 9 (4) | 32 (4) |