Table 1 Comparison of ESBL-EC and ESBL-KP with respect to molecular characteristics and susceptibility profiles
| Â | ESBL-EC (%) | ESBL-KP (%) | P value |
|---|---|---|---|
aac(6’)-Ib-cr | 41/95 (43.1) | 61/81 (75.3) | <0.0001 |
qnrB | 11/95 (11.6) | 65/81 (80.2) | <0.0001 |
bla CTX-M-15 | 58/95 (61.1) | 70/81 (86.4) | 0.0002 |
bla CTX-M-14 | 28/95 (29.5) | 2/81 (2.5) | <0.0001 |
bla TEM-1 | 53/95 (55.8) | 20/81 (24.7) | <0.0001 |
bla OXA | 42/95 (44.2) | 50/81 (61.7) | 0.024 |
Other blaCTX-M | 4/95 (4.2) | 1/81 (1.2) | 0.38 |
Non blaCTX-M ESBLs | 5/95 (5.3) | 8/81 (9.9) | 0.26 |
Gentamicin NS | 53/95 (55.8) | 66/81 (81.5) | 0.0003 |
Trimethoprim-sulfamethoxazole NS | 67/95 (70.5) | 78/81 (96.3) | <0.0001 |
Fluoroquinolone NS | 66/95 (69.5) | 62/81 (76.5) | 0.31 |
NS ≥ 4 antibiotic classes | 36/95 (37.9) | 55/81 (67.9) | <0.0001 |