Table 2.
Distributions of carbapenemase and ESBL genes among GNB isolates
| Bacterial isolates | Carbapenemase genes | ESBL genes | ||||||
|---|---|---|---|---|---|---|---|---|
| NDM | OXA-48 | IMP | VIM | KPC | CTXM | SHV | TEM | |
| n(%) | n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | |
| K. pneumoniae (n = 82) | 58 (54.3) | 1 (20) | 3 (43) | 1 (50) | 0 (0) | 53 (41.7) | 28 (33.4) | 32 (40) |
| E.coli (n = 28) | 9 (8.4) | 1 (20) | 2 (28.5) | 0 (0) | 0 (0) | 14 (11.6) | 6 (7.2) | 4 (5) |
| Pseudomonas Spp.(n = 45) | 14 (13.1) | 2 (40) | 2 (28.5) | 1 (50) | 0 (0) | 28 (22.3) | 18 (21.5) | 16 (20) |
| A. baumannii (n = 36) | 17 (15.8) | 1 (20) | 0 (0) | 0 (0) | 0 (0) | 20 (15.7) | 24 (28.6) | 18 (22.5) |
| Burkholderia (n = 2) | 0 | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 2 (1.6) | 2 (2.4) | 4 (5) |
| Enterobacter Spp.(n = 2) | 2 (1.8) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 2 (1.6) | 1 (1.2) | 1 (1.25) |
|
Other GNBa (n = 11) |
7 (6.5) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 7 (5.5) | 4 (5.7) | 5 (6.25) |
| Total (n = 206) | 107 (52) | 5 (2.4) | 7 (3.4) | 2 (0.9) | 0 (0) | 126 (61.1) | 84 (40.7) | 78 (37.8) |
aOther Gram-negative bacilli include: Citrobacter species (3), Serratia species (1), Proteus spp. (2), Stenotrophomonas maltophilia (3), Vibrio vurneficus (1) and Morganella morganii (1)