Table 4.
Distribution of microorganisms isolated from culture-positive-infected patients according to clinical condition
| All (n = 863) |
Infection (n = 237) |
Infection + SIRS (n = 163) |
Severe sepsis without shock (n = 260) |
Septic shock (n = 203) |
|
|---|---|---|---|---|---|
| Culture-positive-infected patients, n (%) | 503 (58.3) | 131(55.3) | 83 (50.9) | 154 (59.2) | 135 (66.5) |
| Isolated microorganismsa, n (%) | 686(100) | 161(100) | 126(100) | 213(100) | 186(100) |
| Gram negative | 540 (78.7) | 124 (77) | 99 (78.5) | 162 (76) | 155 (83.3) |
| Acinetobacter spp. | 231 (33.7) | 56 (34.7) | 42 (33.3) | 70 (32.8) | 63 (33.9) |
| Carbapenem-resistant | 173 (25.2) | 37 (22.9) | 32 (25.3) | 51 (23.9) | 53 (28.5) |
| Colistin-resistant | 5 (0.7) | 1 (0.6) | 1 (0.8) | 1(0.5) | 2 (1.0) |
| Pseudomonas spp. | 113 (16.4) | 22 (13.6) | 22 (17.4) | 39 (18.3) | 30 (16.1) |
| Carbapenem-resistant | 30 (4.4) | 6 (3.7) | 8 (6.3) | 10 (4.7) | 6 (3.2) |
| Colistin-resistant | 3 (0.4) | 0 (0.0) | 1 (0.8) | 0 (0.0) | 2 (1.0) |
| Klebsiella spp. | 110 (16) | 23 (14.2) | 20 (15.8) | 26 (12.2) | 41 (22.0) |
| Carbapenem-resistant | 43 (6.3) | 10 (6.2) | 8 (6.3) | 7 (3.3) | 18 (9.7) |
| Colistin-resistant | 3 (0.4) | 0 (0.0) | 1 (0.8) | 0 (0.0) | 2 (1.0) |
| Escherichia coli | 37 (5.4) | 12 (7.4) | 6 (4.7) | 8 (3.7) | 11 (5.9) |
| Serratia marcescens | 12 (1.7) | 3 (1.8) | 2 (1.5) | 6 (2.8) | 1 (0.5) |
| Proteus spp. | 10 (1.4) | 3 (1.8) | 0 (0) | 6 (2.8) | 1 (0.5) |
| Enterobacter spp. | 8 (1.1) | 2 (1.2) | 0 (0) | 4 (1.8) | 2 (1.0) |
| Others | 19 (2.7) | 3 (1.8) | 7 (5.5) | 3 (1.4) | 6 (3.2) |
| Gram positive | 107 (15.5) | 26 (16.1) | 21 (16.6) | 41 (19.2) | 19 (10.2) |
| Staphylococcus aureus | 61 (8.9) | 16 (9.9) | 13 (10.3) | 20 (9.8) | 12 (6.4) |
| MRSA | 46 (6.7) | 13 (8.0) | 12 (9.5) | 12 (5.6) | 9 (4.8) |
| Enterococcus spp. | 38 (5.5) | 9 (5.6) | 8 (6.3) | 14 (6.5) | 7 (3.7) |
| VRE | 3 (0.4) | 1 (0.6) | 0 (0) | 2 (0.9) | 0 (0) |
| Others | 8 (1.2) | 1 (0.6) | 0 (0) | 7 (3.3) | 0 (0) |
| Fungi | 34 (4.9) | ||||
| Candida spp. | 32 (4.7) | 8 (4.9) | 6 (4.7) | 8 (3.7) | 10 (5.4) |
| Aspergillus spp. | 2 (0.3) | 0 (0) | 0 (0) | 0 (0) | 2 (1.0) |
| Virus | 5 (0.7) | ||||
| H1N1 | 5 (0.7) | 3 (1.9) | 0 (0) | 2 (0.9) | 0 (0) |
SIRS systemic inflammatory response syndrome, MRSA methicillin-resistant Staphylococcus aureus VRE vancomycin-resistant Enterococcus
aPatients may have more than one microorganism isolated