Table 2.
Strain collection
| Group and species |
n (%) of isolates as determined by reference method |
|||
|---|---|---|---|---|
| ESBL positive | ESBL negative | Inconclusive | Total | |
| 1 | ||||
| Total | 291 (57.6) | 214 (42.4) | 0 (0.0) | 505 (78.7) |
| Escherichia coli | 190 (56.9) | 144 (43.1) | 0 (0.0) | 334 (66.1) |
| Klebsiella spp. | 98 (79.0) | 26 (21.0) | 0 (0.0) | 124 (24.6) |
| Proteus spp. | 2 (4.8) | 40 (95.2) | 0 (0.0) | 42 (8.3) |
| Salmonella spp. | 1 (33.3) | 2 (66.7) | 0 (0.0) | 3 (0.6) |
| Shigella spp. | 0 (0.0) | 2 (100.0) | 0 (0.0) | 2 (0.4) |
| 2 | ||||
| Total | 65 (47.4) | 70 (51.1) | 2 (1.5) | 137 (21.3) |
| Enterobacter spp. | 58 (64.4) | 30 (33.3) | 2 (2.2) | 90 (65.7) |
| Citrobacter spp. | 7 (23.3) | 23 (76.7) | 0 (0.0) | 30 (21.9) |
| Morganella morganii | 0 (0.0) | 9 (100.0) | 0 (0.0) | 9 (6.6) |
| Serratia marcescens | 0 (0.0) | 6 (100.0) | 0 (0.0) | 6 (4.4) |
| Providencia spp. | 0 (0.0) | 2 (100.0) | 0 (0.0) | 2 (1.5) |