Table 1.
Relative frequency of blood isolates in Henry Dunant Hospital, Athens, Greece (01/01/2001–30/6/2005).
| Number of isolates (proportion within the year) | |||||||
| Microorganisms | 2001 (n = 182) | 2002 (n = 506) | 2003 (n = 693) | 2004 (n = 566) | 2005* (n = 208) | Total | p-value |
| Gram-positive | |||||||
| Coagulase-negative staphylococci | 84 (46.2) | 282 (55.6) | 377 (54.4) | 297 (52.5) | 94 (45.1) | 1134 (52.5) | 0.03 |
| Staphylococcus aureus | 12 (6.6) | 40 (7.9) | 42 (6.1) | 27 (4.8) | 8 (3.8) | 129 (5.9) | 0.16 |
| Enterococcus faecalis | 2 (1.1) | 15 (3.0) | 21 (3.0) | 6 (1.1) | 4 (1.9) | 48 (2.2) | 0.09 |
| Enterococcus faecium | 4 (2.2) | 14 (2.8) | 8 (1.2) | 11 (1.9) | 2 (0.9) | 39 (1.8) | 0.25 |
| Gram negative | |||||||
| Escherichia coli | 15 (8.2) | 36 (7.1) | 57 (8.2) | 54 (9.5) | 30 (14.4) | 192 (8.9) | 0.03 |
| Pseudomonas aeruginosa | 13 (7.1) | 29 (5.7) | 35 (5.0) | 26 (4.6) | 11 (5.3) | 114 (5.2) | 0.72 |
| Acinetobacter baumannii | 10 (5.5) | 10 (2.0) | 15 (2.2) | 38 (6.7) | 17 (8.2) | 90 (4.1) | <0.001 |
| Proteus mirabilis | 3 (1.7) | 1 (0.2) | 1 (0.1) | 4 (0.7) | 3 (1.4) | 12 (0.5) | 0.03 |
| Klebsiella spp. | 5 (2.8) | 17 (3.4) | 39 (5.6) | 33 (5.7) | 11 (5.3) | 105 (4.8) | 0.18 |
| Enterobacter spp. | 4 (2.2) | 8 (1.6) | 24 (3.5) | 9 (1.6) | 3 (1.4) | 48 (2.2) | 0.11 |
| Salmonella spp. | 2 (1.1) | 1 (0.2) | 4 (0.6) | 9 (1.6) | 0 (0) | 16 (0.7) | 0.05 |
| Others (include other Gram positive and Gram negative) | 22 (12) | 25 (4.9) | 34 (4.9) | 26 (4.6) | 15 (7.2) | 122 (5.6) | 0.002 |
| Fungi | |||||||
| Candida | 6 (3.3) | 29 (5.7) | 36 (5.2) | 26 (4.6) | 10 (4.8) | 107 (4.9) | 0.74 |