Table 2.
Distribution of ESBL types according to phylogenetic groups
| Phylogenetic group | No. (%) of isolatesa producing: |
Total no. (% of all isolates) | |||
|---|---|---|---|---|---|
| CTX-M group 1 | CTX-M group 2 | CTX-M group 9 | TEMESBL | ||
| A | 77 (37.7) | 4 (2.0) | 28 (13.7) | 4 (2.0) | 113 (55.4)* |
| B1 | 22 (10.8) | 1 (0.5) | 7 (3.4) | 2 (0.9) | 32 (15.6) |
| B2 | 1 (0.5) | 0 (0) | 0 (0) | 0 (0) | 1 (0.5) |
| D | 29 (14.2) | 3 (1.5) | 19 (9.3) | 1 (0.5) | 52 (25.5) |
| NDb | 5 (2.5) | 0 (0) | 1 (0.5) | 0 (0) | 6 (3.0) |
| Total | 134 (65.7) | 8 (4.0) | 55 (26.9) | 7 (3.4) | 204 (100) |
a
Proportions (n > 5) for different phylogroups are compared. An asterisk indicates a global P value of ≤0.05 by the chi-square test.
b
ND, not determined.