Table 2 Description of the bacteria causing ICU-acquired infection
Microorganism, n (%) | Total (n = 459) | Bloodstream infection (n = 188) | Pneumonia (n = 271) |
|---|---|---|---|
Monomicrobial infections | 233 (50.8) | 101 (53.7) | 132 (48.7) |
Infections with two types of bacteria | 85 (18.5) | 30 (16.0) | 55 (20.3) |
Infections with three types of bacteria | 20 (4.4) | 9 (4.8) | 11 (4.1) |
Enterobacteriaceae | 209 (45.5) | 94 (50.0) | 115 (42.4) |
Resistance 0 | 159 (34.6) | 67 (35.6) | 92 (33.9) |
Resistance 1 | 23 (5.0) | 12 (6.4) | 11 (4.1) |
Resistance 2 | 24 (5.2) | 15 (8.0) | 9 (3.3) |
Resistance 3 | 3 (0.7) | 0 (0) | 3 (1.1) |
Non-fermenting Gram-negative bacteria | 157 (34.2) | 46 (24.5) | 111 (41.0) |
Pseudomonas spp. resistance 0 | 86 (18.7) | 23 (12.2) | 60 (22.1) |
Pseudomonas spp. resistance 1 | 6 (1.3) | 3 (1.6) | 3 (1.1) |
Pseudomonas spp. resistance 2 | 12 (2.6) | 4 (2.1) | 8 (3.0) |
Pseudomonas spp. resistance 3 | 3 (0.7) | 1 (0.5) | 2 (0.7) |
Burkholderia cepacia | 4 (0.9) | 0 (0) | 4 (1.5) |
Stenotrophomonas maltophilia | 22 (4.8) | 8 (4.3) | 14 (5.2) |
Chryseobacterium spp. resistance 2 | 1 (0.2) | 0 (0) | 1 (0.4) |
Chryseobacterium spp. resistance 3 | 1 (0.2) | 0 (0) | 1 (0.4) |
Acinetobacter spp. resistance 0 | 9 (2.0) | 3 (1.6) | 6 (2.2) |
Acinetobacter spp. resistance 1 | 2 (0.4) | 0 (0) | 2 (0.7) |
Acinetobacter spp. resistance 3 | 3 (0.7) | 0 (0) | 3 (1.1) |
Other | 8 (1.7) | 1 (0.5) | 7 (2.6) |
Gram-positive bacteria | 93 (20.3) | 48 (25.5) | 45 (16.6) |
Staphylococcus aureus spp. resistance 0 | 34 (7.4) | 7 (3.7) | 27 (10.0) |
Staphylococcus aureus spp. resistance 1 | 0 (0) | 0 (0) | 0 (0) |
Coagulase-negative Staphylococcus spp. resistance 1 | 21 (4.6) | 19 (10.1) | 2 (0.7) |
Coagulase-negative Staphylococcus spp. resistance 2 | 2 (0.4) | 2 (1.1) | 0 (0) |
Enterococcus spp. resistance 0 | 15 (3.2) | 15 (8.0) | 0 (0) |
Enterococcus spp. resistance 1 | 1 (0.2) | 1 (0.5) | 0 (0) |
Streptococcus spp. | 19 (4.1) | 3 (1.6) | 16 (5.9) |
Other | 1 (0.2) | 1 (0.5) | 0 (0) |